18571718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:197

約数の個数: 48

約数和(自身を含む): 33951744

約数和(自身を除く): 15380026

約数列:

[1, 2, 11, 17, 22, 23, 34, 46, 127, 187, 253, 254, 289, 374, 391, 506, 578, 782, 1397, 2159, 2794, 2921, 3179, 4301, 4318, 5842, 6358, 6647, 8602, 13294, 23749, 32131, 36703, 47498, 49657, 64262, 73117, 73406, 99314, 146234, 403733, 546227, 807466, 844169, 1092454, 1688338, 9285859, 18571718]

約数ペア:

[(1, 18571718), (2, 9285859), (11, 1688338), (17, 1092454), (22, 844169), (23, 807466), (34, 546227), (46, 403733), (127, 146234), (187, 99314), (253, 73406), (254, 73117), (289, 64262), (374, 49657), (391, 47498), (506, 36703), (578, 32131), (782, 23749), (1397, 13294), (2159, 8602), (2794, 6647), (2921, 6358), (3179, 5842), (4301, 4318)]