18900966

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1213}}^1$

素因数の和:1285

約数の個数: 48

約数和(自身を含む): 44840304

約数和(自身を除く): 25939338

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 53, 98, 106, 147, 159, 294, 318, 371, 742, 1113, 1213, 2226, 2426, 2597, 3639, 5194, 7278, 7791, 8491, 15582, 16982, 25473, 50946, 59437, 64289, 118874, 128578, 178311, 192867, 356622, 385734, 450023, 900046, 1350069, 2700138, 3150161, 6300322, 9450483, 18900966]

約数ペア:

[(1, 18900966), (2, 9450483), (3, 6300322), (6, 3150161), (7, 2700138), (14, 1350069), (21, 900046), (42, 450023), (49, 385734), (53, 356622), (98, 192867), (106, 178311), (147, 128578), (159, 118874), (294, 64289), (318, 59437), (371, 50946), (742, 25473), (1113, 16982), (1213, 15582), (2226, 8491), (2426, 7791), (2597, 7278), (3639, 5194)]