18807776

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1559}}^1$

素因数の和:1611

約数の個数: 48

約数和(自身を含む): 41277600

約数和(自身を除く): 22469824

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 58, 104, 116, 208, 232, 377, 416, 464, 754, 928, 1508, 1559, 3016, 3118, 6032, 6236, 12064, 12472, 20267, 24944, 40534, 45211, 49888, 81068, 90422, 162136, 180844, 324272, 361688, 587743, 648544, 723376, 1175486, 1446752, 2350972, 4701944, 9403888, 18807776]

約数ペア:

[(1, 18807776), (2, 9403888), (4, 4701944), (8, 2350972), (13, 1446752), (16, 1175486), (26, 723376), (29, 648544), (32, 587743), (52, 361688), (58, 324272), (104, 180844), (116, 162136), (208, 90422), (232, 81068), (377, 49888), (416, 45211), (464, 40534), (754, 24944), (928, 20267), (1508, 12472), (1559, 12064), (3016, 6236), (3118, 6032)]