18955748

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{5689}}^1$

素因数の和:5724

約数の個数: 36

約数和(自身を含む): 40865580

約数和(自身を除く): 21909832

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 238, 476, 833, 1666, 3332, 5689, 11378, 22756, 39823, 79646, 96713, 159292, 193426, 278761, 386852, 557522, 676991, 1115044, 1353982, 2707964, 4738937, 9477874, 18955748]

約数ペア:

[(1, 18955748), (2, 9477874), (4, 4738937), (7, 2707964), (14, 1353982), (17, 1115044), (28, 676991), (34, 557522), (49, 386852), (68, 278761), (98, 193426), (119, 159292), (196, 96713), (238, 79646), (476, 39823), (833, 22756), (1666, 11378), (3332, 5689)]