19818763778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{673}}^1\times {\mathrm{1109}}^1$

素因数の和:1883

約数の個数: 64

約数和(自身を含む): 34905219840

約数和(自身を除く): 15086456062

約数列:

[1, 2, 11, 17, 22, 34, 71, 142, 187, 374, 673, 781, 1109, 1207, 1346, 1562, 2218, 2414, 7403, 11441, 12199, 13277, 14806, 18853, 22882, 24398, 26554, 37706, 47783, 78739, 95566, 125851, 157478, 207383, 251702, 414766, 525613, 746357, 812311, 866129, 1051226, 1338563, 1492714, 1624622, 1732258, 2677126, 8209927, 8935421, 12688069, 14724193, 16419854, 17870842, 25376138, 29448386, 52991347, 105982694, 139568759, 279137518, 582904817, 900852899, 1165809634, 1801705798, 9909381889, 19818763778]

約数ペア:

[(1, 19818763778), (2, 9909381889), (11, 1801705798), (17, 1165809634), (22, 900852899), (34, 582904817), (71, 279137518), (142, 139568759), (187, 105982694), (374, 52991347), (673, 29448386), (781, 25376138), (1109, 17870842), (1207, 16419854), (1346, 14724193), (1562, 12688069), (2218, 8935421), (2414, 8209927), (7403, 2677126), (11441, 1732258), (12199, 1624622), (13277, 1492714), (14806, 1338563), (18853, 1051226), (22882, 866129), (24398, 812311), (26554, 746357), (37706, 525613), (47783, 414766), (78739, 251702), (95566, 207383), (125851, 157478)]