1918890

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:145

約数の個数: 80

約数和(自身を含む): 5436288

約数和(自身を除く): 3517398

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 81, 90, 103, 115, 135, 138, 162, 206, 207, 230, 270, 309, 345, 405, 414, 515, 618, 621, 690, 810, 927, 1030, 1035, 1242, 1545, 1854, 1863, 2070, 2369, 2781, 3090, 3105, 3726, 4635, 4738, 5562, 6210, 7107, 8343, 9270, 9315, 11845, 13905, 14214, 16686, 18630, 21321, 23690, 27810, 35535, 41715, 42642, 63963, 71070, 83430, 106605, 127926, 191889, 213210, 319815, 383778, 639630, 959445, 1918890]

約数ペア:

[(1, 1918890), (2, 959445), (3, 639630), (5, 383778), (6, 319815), (9, 213210), (10, 191889), (15, 127926), (18, 106605), (23, 83430), (27, 71070), (30, 63963), (45, 42642), (46, 41715), (54, 35535), (69, 27810), (81, 23690), (90, 21321), (103, 18630), (115, 16686), (135, 14214), (138, 13905), (162, 11845), (206, 9315), (207, 9270), (230, 8343), (270, 7107), (309, 6210), (345, 5562), (405, 4738), (414, 4635), (515, 3726), (618, 3105), (621, 3090), (690, 2781), (810, 2369), (927, 2070), (1030, 1863), (1035, 1854), (1242, 1545)]