19231720

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2879}}^1$

素因数の和:3057

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 24313880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 2879, 3340, 5758, 6680, 11516, 14395, 23032, 28790, 57580, 115160, 480793, 961586, 1923172, 2403965, 3846344, 4807930, 9615860, 19231720]

約数ペア:

[(1, 19231720), (2, 9615860), (4, 4807930), (5, 3846344), (8, 2403965), (10, 1923172), (20, 961586), (40, 480793), (167, 115160), (334, 57580), (668, 28790), (835, 23032), (1336, 14395), (1670, 11516), (2879, 6680), (3340, 5758)]