19644328

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:446

約数の個数: 64

約数和(自身を含む): 43776000

約数和(自身を除く): 24131672

約数列:

[1, 2, 4, 8, 11, 19, 22, 31, 38, 44, 62, 76, 88, 124, 152, 209, 248, 341, 379, 418, 589, 682, 758, 836, 1178, 1364, 1516, 1672, 2356, 2728, 3032, 4169, 4712, 6479, 7201, 8338, 11749, 12958, 14402, 16676, 23498, 25916, 28804, 33352, 46996, 51832, 57608, 79211, 93992, 129239, 158422, 223231, 258478, 316844, 446462, 516956, 633688, 892924, 1033912, 1785848, 2455541, 4911082, 9822164, 19644328]

約数ペア:

[(1, 19644328), (2, 9822164), (4, 4911082), (8, 2455541), (11, 1785848), (19, 1033912), (22, 892924), (31, 633688), (38, 516956), (44, 446462), (62, 316844), (76, 258478), (88, 223231), (124, 158422), (152, 129239), (209, 93992), (248, 79211), (341, 57608), (379, 51832), (418, 46996), (589, 33352), (682, 28804), (758, 25916), (836, 23498), (1178, 16676), (1364, 14402), (1516, 12958), (1672, 11749), (2356, 8338), (2728, 7201), (3032, 6479), (4169, 4712)]