18909618

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{587}}^1$

素因数の和:671

約数の個数: 64

約数和(自身を含む): 47416320

約数和(自身を除く): 28506702

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 59, 78, 91, 118, 177, 182, 273, 354, 413, 546, 587, 767, 826, 1174, 1239, 1534, 1761, 2301, 2478, 3522, 4109, 4602, 5369, 7631, 8218, 10738, 12327, 15262, 16107, 22893, 24654, 32214, 34633, 45786, 53417, 69266, 103899, 106834, 160251, 207798, 242431, 320502, 450229, 484862, 727293, 900458, 1350687, 1454586, 2701374, 3151603, 6303206, 9454809, 18909618]

約数ペア:

[(1, 18909618), (2, 9454809), (3, 6303206), (6, 3151603), (7, 2701374), (13, 1454586), (14, 1350687), (21, 900458), (26, 727293), (39, 484862), (42, 450229), (59, 320502), (78, 242431), (91, 207798), (118, 160251), (177, 106834), (182, 103899), (273, 69266), (354, 53417), (413, 45786), (546, 34633), (587, 32214), (767, 24654), (826, 22893), (1174, 16107), (1239, 15262), (1534, 12327), (1761, 10738), (2301, 8218), (2478, 7631), (3522, 5369), (4109, 4602)]