19854120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1$

素因数の和:140

約数の個数: 192

約数和(自身を含む): 71150400

約数和(自身を除く): 51296280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 89, 104, 110, 120, 130, 132, 143, 156, 165, 169, 178, 195, 220, 260, 264, 267, 286, 312, 330, 338, 356, 390, 429, 440, 445, 507, 520, 534, 572, 660, 676, 712, 715, 780, 845, 858, 890, 979, 1014, 1068, 1144, 1157, 1320, 1335, 1352, 1430, 1560, 1690, 1716, 1780, 1859, 1958, 2028, 2136, 2145, 2314, 2535, 2670, 2860, 2937, 3380, 3432, 3471, 3560, 3718, 3916, 4056, 4290, 4628, 4895, 5070, 5340, 5577, 5720, 5785, 5874, 6760, 6942, 7436, 7832, 8580, 9256, 9295, 9790, 10140, 10680, 11154, 11570, 11748, 12727, 13884, 14685, 14872, 15041, 17160, 17355, 18590, 19580, 20280, 22308, 23140, 23496, 25454, 27768, 27885, 29370, 30082, 34710, 37180, 38181, 39160, 44616, 45123, 46280, 50908, 55770, 58740, 60164, 63635, 69420, 74360, 75205, 76362, 90246, 101816, 111540, 117480, 120328, 127270, 138840, 150410, 152724, 165451, 180492, 190905, 223080, 225615, 254540, 300820, 305448, 330902, 360984, 381810, 451230, 496353, 509080, 601640, 661804, 763620, 827255, 902460, 992706, 1323608, 1527240, 1654510, 1804920, 1985412, 2481765, 3309020, 3970824, 4963530, 6618040, 9927060, 19854120]

約数ペア:

[(1, 19854120), (2, 9927060), (3, 6618040), (4, 4963530), (5, 3970824), (6, 3309020), (8, 2481765), (10, 1985412), (11, 1804920), (12, 1654510), (13, 1527240), (15, 1323608), (20, 992706), (22, 902460), (24, 827255), (26, 763620), (30, 661804), (33, 601640), (39, 509080), (40, 496353), (44, 451230), (52, 381810), (55, 360984), (60, 330902), (65, 305448), (66, 300820), (78, 254540), (88, 225615), (89, 223080), (104, 190905), (110, 180492), (120, 165451), (130, 152724), (132, 150410), (143, 138840), (156, 127270), (165, 120328), (169, 117480), (178, 111540), (195, 101816), (220, 90246), (260, 76362), (264, 75205), (267, 74360), (286, 69420), (312, 63635), (330, 60164), (338, 58740), (356, 55770), (390, 50908), (429, 46280), (440, 45123), (445, 44616), (507, 39160), (520, 38181), (534, 37180), (572, 34710), (660, 30082), (676, 29370), (712, 27885), (715, 27768), (780, 25454), (845, 23496), (858, 23140), (890, 22308), (979, 20280), (1014, 19580), (1068, 18590), (1144, 17355), (1157, 17160), (1320, 15041), (1335, 14872), (1352, 14685), (1430, 13884), (1560, 12727), (1690, 11748), (1716, 11570), (1780, 11154), (1859, 10680), (1958, 10140), (2028, 9790), (2136, 9295), (2145, 9256), (2314, 8580), (2535, 7832), (2670, 7436), (2860, 6942), (2937, 6760), (3380, 5874), (3432, 5785), (3471, 5720), (3560, 5577), (3718, 5340), (3916, 5070), (4056, 4895), (4290, 4628)]