19961512

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{619}}^1$

素因数の和:793

約数の個数: 32

約数和(自身を含む): 39060000

約数和(自身を除く): 19098488

約数列:

[1, 2, 4, 8, 29, 58, 116, 139, 232, 278, 556, 619, 1112, 1238, 2476, 4031, 4952, 8062, 16124, 17951, 32248, 35902, 71804, 86041, 143608, 172082, 344164, 688328, 2495189, 4990378, 9980756, 19961512]

約数ペア:

[(1, 19961512), (2, 9980756), (4, 4990378), (8, 2495189), (29, 688328), (58, 344164), (116, 172082), (139, 143608), (232, 86041), (278, 71804), (556, 35902), (619, 32248), (1112, 17951), (1238, 16124), (2476, 8062), (4031, 4952)]