19080128

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:265

約数の個数: 56

約数和(自身を含む): 39989760

約数和(自身を除く): 20909632

約数列:

[1, 2, 4, 8, 16, 31, 32, 59, 62, 64, 118, 124, 163, 236, 248, 326, 472, 496, 652, 944, 992, 1304, 1829, 1888, 1984, 2608, 3658, 3776, 5053, 5216, 7316, 9617, 10106, 10432, 14632, 19234, 20212, 29264, 38468, 40424, 58528, 76936, 80848, 117056, 153872, 161696, 298127, 307744, 323392, 596254, 615488, 1192508, 2385016, 4770032, 9540064, 19080128]

約数ペア:

[(1, 19080128), (2, 9540064), (4, 4770032), (8, 2385016), (16, 1192508), (31, 615488), (32, 596254), (59, 323392), (62, 307744), (64, 298127), (118, 161696), (124, 153872), (163, 117056), (236, 80848), (248, 76936), (326, 58528), (472, 40424), (496, 38468), (652, 29264), (944, 20212), (992, 19234), (1304, 14632), (1829, 10432), (1888, 10106), (1984, 9617), (2608, 7316), (3658, 5216), (3776, 5053)]