19819006856

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{623867}}^1$

素因数の和:623922

約数の個数: 48

約数和(自身を含む): 42784867440

約数和(自身を除く): 22965860584

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 361, 418, 722, 836, 1444, 1672, 2888, 3971, 7942, 15884, 31768, 623867, 1247734, 2495468, 4990936, 6862537, 11853473, 13725074, 23706946, 27450148, 47413892, 54900296, 94827784, 130388203, 225215987, 260776406, 450431974, 521552812, 900863948, 1043105624, 1801727896, 2477375857, 4954751714, 9909503428, 19819006856]

約数ペア:

[(1, 19819006856), (2, 9909503428), (4, 4954751714), (8, 2477375857), (11, 1801727896), (19, 1043105624), (22, 900863948), (38, 521552812), (44, 450431974), (76, 260776406), (88, 225215987), (152, 130388203), (209, 94827784), (361, 54900296), (418, 47413892), (722, 27450148), (836, 23706946), (1444, 13725074), (1672, 11853473), (2888, 6862537), (3971, 4990936), (7942, 2495468), (15884, 1247734), (31768, 623867)]