19485180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{757}}^1$

素因数の和:796

約数の個数: 144

約数和(自身を含む): 69529824

約数和(自身を除く): 50044644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 78, 90, 99, 110, 117, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 286, 330, 390, 396, 429, 468, 495, 572, 585, 660, 715, 757, 780, 858, 990, 1170, 1287, 1430, 1514, 1716, 1980, 2145, 2271, 2340, 2574, 2860, 3028, 3785, 4290, 4542, 5148, 6435, 6813, 7570, 8327, 8580, 9084, 9841, 11355, 12870, 13626, 15140, 16654, 19682, 22710, 24981, 25740, 27252, 29523, 33308, 34065, 39364, 41635, 45420, 49205, 49962, 59046, 68130, 74943, 83270, 88569, 98410, 99924, 108251, 118092, 124905, 136260, 147615, 149886, 166540, 177138, 196820, 216502, 249810, 295230, 299772, 324753, 354276, 374715, 433004, 442845, 499620, 541255, 590460, 649506, 749430, 885690, 974259, 1082510, 1299012, 1498860, 1623765, 1771380, 1948518, 2165020, 3247530, 3897036, 4871295, 6495060, 9742590, 19485180]

約数ペア:

[(1, 19485180), (2, 9742590), (3, 6495060), (4, 4871295), (5, 3897036), (6, 3247530), (9, 2165020), (10, 1948518), (11, 1771380), (12, 1623765), (13, 1498860), (15, 1299012), (18, 1082510), (20, 974259), (22, 885690), (26, 749430), (30, 649506), (33, 590460), (36, 541255), (39, 499620), (44, 442845), (45, 433004), (52, 374715), (55, 354276), (60, 324753), (65, 299772), (66, 295230), (78, 249810), (90, 216502), (99, 196820), (110, 177138), (117, 166540), (130, 149886), (132, 147615), (143, 136260), (156, 124905), (165, 118092), (180, 108251), (195, 99924), (198, 98410), (220, 88569), (234, 83270), (260, 74943), (286, 68130), (330, 59046), (390, 49962), (396, 49205), (429, 45420), (468, 41635), (495, 39364), (572, 34065), (585, 33308), (660, 29523), (715, 27252), (757, 25740), (780, 24981), (858, 22710), (990, 19682), (1170, 16654), (1287, 15140), (1430, 13626), (1514, 12870), (1716, 11355), (1980, 9841), (2145, 9084), (2271, 8580), (2340, 8327), (2574, 7570), (2860, 6813), (3028, 6435), (3785, 5148), (4290, 4542)]