19861218

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{6529}}^1$

素因数の和:6563

約数の個数: 36

約数和(自身を含む): 46604610

約数和(自身を除く): 26743392

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 169, 234, 338, 507, 1014, 1521, 3042, 6529, 13058, 19587, 39174, 58761, 84877, 117522, 169754, 254631, 509262, 763893, 1103401, 1527786, 2206802, 3310203, 6620406, 9930609, 19861218]

約数ペア:

[(1, 19861218), (2, 9930609), (3, 6620406), (6, 3310203), (9, 2206802), (13, 1527786), (18, 1103401), (26, 763893), (39, 509262), (78, 254631), (117, 169754), (169, 117522), (234, 84877), (338, 58761), (507, 39174), (1014, 19587), (1521, 13058), (3042, 6529)]