19487360

素因数分解:

$2^7\times 5^1\times {\mathrm{30449}}^1$

素因数の和:30468

約数の個数: 32

約数和(自身を含む): 46588500

約数和(自身を除く): 27101140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 30449, 60898, 121796, 152245, 243592, 304490, 487184, 608980, 974368, 1217960, 1948736, 2435920, 3897472, 4871840, 9743680, 19487360]

約数ペア:

[(1, 19487360), (2, 9743680), (4, 4871840), (5, 3897472), (8, 2435920), (10, 1948736), (16, 1217960), (20, 974368), (32, 608980), (40, 487184), (64, 304490), (80, 243592), (128, 152245), (160, 121796), (320, 60898), (640, 30449)]