19948698

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:452

約数の個数: 96

約数和(自身を含む): 55486080

約数和(自身を除く): 35537382

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 37, 42, 63, 66, 74, 77, 99, 111, 126, 154, 198, 222, 231, 259, 333, 389, 407, 462, 518, 666, 693, 777, 778, 814, 1167, 1221, 1386, 1554, 2331, 2334, 2442, 2723, 2849, 3501, 3663, 4279, 4662, 5446, 5698, 7002, 7326, 8169, 8547, 8558, 12837, 14393, 16338, 17094, 24507, 25641, 25674, 28786, 29953, 38511, 43179, 49014, 51282, 59906, 77022, 86358, 89859, 100751, 129537, 158323, 179718, 201502, 259074, 269577, 302253, 316646, 474969, 539154, 604506, 906759, 949938, 1108261, 1424907, 1813518, 2216522, 2849814, 3324783, 6649566, 9974349, 19948698]

約数ペア:

[(1, 19948698), (2, 9974349), (3, 6649566), (6, 3324783), (7, 2849814), (9, 2216522), (11, 1813518), (14, 1424907), (18, 1108261), (21, 949938), (22, 906759), (33, 604506), (37, 539154), (42, 474969), (63, 316646), (66, 302253), (74, 269577), (77, 259074), (99, 201502), (111, 179718), (126, 158323), (154, 129537), (198, 100751), (222, 89859), (231, 86358), (259, 77022), (333, 59906), (389, 51282), (407, 49014), (462, 43179), (518, 38511), (666, 29953), (693, 28786), (777, 25674), (778, 25641), (814, 24507), (1167, 17094), (1221, 16338), (1386, 14393), (1554, 12837), (2331, 8558), (2334, 8547), (2442, 8169), (2723, 7326), (2849, 7002), (3501, 5698), (3663, 5446), (4279, 4662)]