19273120

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{739}}^1$

素因数の和:917

約数の個数: 48

約数和(自身を含む): 45874080

約数和(自身を除く): 26600960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 326, 652, 739, 815, 1304, 1478, 1630, 2608, 2956, 3260, 3695, 5216, 5912, 6520, 7390, 11824, 13040, 14780, 23648, 26080, 29560, 59120, 118240, 120457, 240914, 481828, 602285, 963656, 1204570, 1927312, 2409140, 3854624, 4818280, 9636560, 19273120]

約数ペア:

[(1, 19273120), (2, 9636560), (4, 4818280), (5, 3854624), (8, 2409140), (10, 1927312), (16, 1204570), (20, 963656), (32, 602285), (40, 481828), (80, 240914), (160, 120457), (163, 118240), (326, 59120), (652, 29560), (739, 26080), (815, 23648), (1304, 14780), (1478, 13040), (1630, 11824), (2608, 7390), (2956, 6520), (3260, 5912), (3695, 5216)]