19399667072

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{66973}}^1$

素因数の和:67091

約数の個数: 64

約数和(自身を含む): 40441580160

約数和(自身を除く): 21041913088

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 73, 124, 128, 146, 248, 292, 496, 584, 992, 1168, 1984, 2263, 2336, 3968, 4526, 4672, 9052, 9344, 18104, 36208, 66973, 72416, 133946, 144832, 267892, 289664, 535784, 1071568, 2076163, 2143136, 4152326, 4286272, 4889029, 8304652, 8572544, 9778058, 16609304, 19556116, 33218608, 39112232, 66437216, 78224464, 132874432, 151559899, 156448928, 265748864, 303119798, 312897856, 606239596, 625795712, 1212479192, 2424958384, 4849916768, 9699833536, 19399667072]

約数ペア:

[(1, 19399667072), (2, 9699833536), (4, 4849916768), (8, 2424958384), (16, 1212479192), (31, 625795712), (32, 606239596), (62, 312897856), (64, 303119798), (73, 265748864), (124, 156448928), (128, 151559899), (146, 132874432), (248, 78224464), (292, 66437216), (496, 39112232), (584, 33218608), (992, 19556116), (1168, 16609304), (1984, 9778058), (2263, 8572544), (2336, 8304652), (3968, 4889029), (4526, 4286272), (4672, 4152326), (9052, 2143136), (9344, 2076163), (18104, 1071568), (36208, 535784), (66973, 289664), (72416, 267892), (133946, 144832)]