19287840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1$

素因数の和:323

約数の個数: 192

約数和(自身を含む): 71632512

約数和(自身を除く): 52344672

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 32, 33, 39, 40, 44, 48, 52, 55, 60, 65, 66, 78, 80, 88, 96, 104, 110, 120, 130, 132, 143, 156, 160, 165, 176, 195, 208, 220, 240, 260, 264, 281, 286, 312, 330, 352, 390, 416, 429, 440, 480, 520, 528, 562, 572, 624, 660, 715, 780, 843, 858, 880, 1040, 1056, 1124, 1144, 1248, 1320, 1405, 1430, 1560, 1686, 1716, 1760, 2080, 2145, 2248, 2288, 2640, 2810, 2860, 3091, 3120, 3372, 3432, 3653, 4215, 4290, 4496, 4576, 5280, 5620, 5720, 6182, 6240, 6744, 6864, 7306, 8430, 8580, 8992, 9273, 10959, 11240, 11440, 12364, 13488, 13728, 14612, 15455, 16860, 17160, 18265, 18546, 21918, 22480, 22880, 24728, 26976, 29224, 30910, 33720, 34320, 36530, 37092, 40183, 43836, 44960, 46365, 49456, 54795, 58448, 61820, 67440, 68640, 73060, 74184, 80366, 87672, 92730, 98912, 109590, 116896, 120549, 123640, 134880, 146120, 148368, 160732, 175344, 185460, 200915, 219180, 241098, 247280, 292240, 296736, 321464, 350688, 370920, 401830, 438360, 482196, 494560, 584480, 602745, 642928, 741840, 803660, 876720, 964392, 1205490, 1285856, 1483680, 1607320, 1753440, 1928784, 2410980, 3214640, 3857568, 4821960, 6429280, 9643920, 19287840]

約数ペア:

[(1, 19287840), (2, 9643920), (3, 6429280), (4, 4821960), (5, 3857568), (6, 3214640), (8, 2410980), (10, 1928784), (11, 1753440), (12, 1607320), (13, 1483680), (15, 1285856), (16, 1205490), (20, 964392), (22, 876720), (24, 803660), (26, 741840), (30, 642928), (32, 602745), (33, 584480), (39, 494560), (40, 482196), (44, 438360), (48, 401830), (52, 370920), (55, 350688), (60, 321464), (65, 296736), (66, 292240), (78, 247280), (80, 241098), (88, 219180), (96, 200915), (104, 185460), (110, 175344), (120, 160732), (130, 148368), (132, 146120), (143, 134880), (156, 123640), (160, 120549), (165, 116896), (176, 109590), (195, 98912), (208, 92730), (220, 87672), (240, 80366), (260, 74184), (264, 73060), (281, 68640), (286, 67440), (312, 61820), (330, 58448), (352, 54795), (390, 49456), (416, 46365), (429, 44960), (440, 43836), (480, 40183), (520, 37092), (528, 36530), (562, 34320), (572, 33720), (624, 30910), (660, 29224), (715, 26976), (780, 24728), (843, 22880), (858, 22480), (880, 21918), (1040, 18546), (1056, 18265), (1124, 17160), (1144, 16860), (1248, 15455), (1320, 14612), (1405, 13728), (1430, 13488), (1560, 12364), (1686, 11440), (1716, 11240), (1760, 10959), (2080, 9273), (2145, 8992), (2248, 8580), (2288, 8430), (2640, 7306), (2810, 6864), (2860, 6744), (3091, 6240), (3120, 6182), (3372, 5720), (3432, 5620), (3653, 5280), (4215, 4576), (4290, 4496)]