1918781696

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{1571}}^1$

素因数の和:1967

約数の個数: 72

約数和(自身を含む): 4138560384

約数和(自身を除く): 2219778688

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 367, 416, 734, 832, 1468, 1571, 1664, 2936, 3142, 3328, 4771, 5872, 6284, 9542, 11744, 12568, 19084, 20423, 23488, 25136, 38168, 40846, 46976, 50272, 76336, 81692, 93952, 100544, 152672, 163384, 201088, 305344, 326768, 402176, 576557, 610688, 653536, 1153114, 1221376, 1307072, 2306228, 2614144, 4612456, 5228288, 7495241, 9224912, 14990482, 18449824, 29980964, 36899648, 59961928, 73799296, 119923856, 147598592, 239847712, 479695424, 959390848, 1918781696]

約数ペア:

[(1, 1918781696), (2, 959390848), (4, 479695424), (8, 239847712), (13, 147598592), (16, 119923856), (26, 73799296), (32, 59961928), (52, 36899648), (64, 29980964), (104, 18449824), (128, 14990482), (208, 9224912), (256, 7495241), (367, 5228288), (416, 4612456), (734, 2614144), (832, 2306228), (1468, 1307072), (1571, 1221376), (1664, 1153114), (2936, 653536), (3142, 610688), (3328, 576557), (4771, 402176), (5872, 326768), (6284, 305344), (9542, 201088), (11744, 163384), (12568, 152672), (19084, 100544), (20423, 93952), (23488, 81692), (25136, 76336), (38168, 50272), (40846, 46976)]