19009360

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1871}}^1$

素因数の和:2011

約数の個数: 40

約数和(自身を含む): 44568576

約数和(自身を除く): 25559216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 1871, 2032, 2540, 3742, 5080, 7484, 9355, 10160, 14968, 18710, 29936, 37420, 74840, 149680, 237617, 475234, 950468, 1188085, 1900936, 2376170, 3801872, 4752340, 9504680, 19009360]

約数ペア:

[(1, 19009360), (2, 9504680), (4, 4752340), (5, 3801872), (8, 2376170), (10, 1900936), (16, 1188085), (20, 950468), (40, 475234), (80, 237617), (127, 149680), (254, 74840), (508, 37420), (635, 29936), (1016, 18710), (1270, 14968), (1871, 10160), (2032, 9355), (2540, 7484), (3742, 5080)]