19042140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24413}}^1$

素因数の和:24438

約数の個数: 48

約数和(自身を含む): 57421728

約数和(自身を除く): 38379588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 24413, 48826, 73239, 97652, 122065, 146478, 244130, 292956, 317369, 366195, 488260, 634738, 732390, 952107, 1269476, 1464780, 1586845, 1904214, 3173690, 3808428, 4760535, 6347380, 9521070, 19042140]

約数ペア:

[(1, 19042140), (2, 9521070), (3, 6347380), (4, 4760535), (5, 3808428), (6, 3173690), (10, 1904214), (12, 1586845), (13, 1464780), (15, 1269476), (20, 952107), (26, 732390), (30, 634738), (39, 488260), (52, 366195), (60, 317369), (65, 292956), (78, 244130), (130, 146478), (156, 122065), (195, 97652), (260, 73239), (390, 48826), (780, 24413)]