18874968

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{397}}^1$

素因数の和:696

約数の個数: 64

約数和(自身を含む): 54255360

約数和(自身を除く): 35380392

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 283, 397, 566, 794, 849, 1132, 1191, 1588, 1698, 1981, 2264, 2382, 2779, 3176, 3396, 3962, 4764, 5558, 5943, 6792, 7924, 8337, 9528, 11116, 11886, 15848, 16674, 22232, 23772, 33348, 47544, 66696, 112351, 224702, 337053, 449404, 674106, 786457, 898808, 1348212, 1572914, 2359371, 2696424, 3145828, 4718742, 6291656, 9437484, 18874968]

約数ペア:

[(1, 18874968), (2, 9437484), (3, 6291656), (4, 4718742), (6, 3145828), (7, 2696424), (8, 2359371), (12, 1572914), (14, 1348212), (21, 898808), (24, 786457), (28, 674106), (42, 449404), (56, 337053), (84, 224702), (168, 112351), (283, 66696), (397, 47544), (566, 33348), (794, 23772), (849, 22232), (1132, 16674), (1191, 15848), (1588, 11886), (1698, 11116), (1981, 9528), (2264, 8337), (2382, 7924), (2779, 6792), (3176, 5943), (3396, 5558), (3962, 4764)]