19623680

素因数分解:

$2^8\times 5^1\times {\mathrm{15331}}^1$

素因数の和:15352

約数の個数: 36

約数和(自身を含む): 47007912

約数和(自身を除く): 27384232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 15331, 30662, 61324, 76655, 122648, 153310, 245296, 306620, 490592, 613240, 981184, 1226480, 1962368, 2452960, 3924736, 4905920, 9811840, 19623680]

約数ペア:

[(1, 19623680), (2, 9811840), (4, 4905920), (5, 3924736), (8, 2452960), (10, 1962368), (16, 1226480), (20, 981184), (32, 613240), (40, 490592), (64, 306620), (80, 245296), (128, 153310), (160, 122648), (256, 76655), (320, 61324), (640, 30662), (1280, 15331)]