19466600

素因数分解:

$2^3\times 5^2\times {\mathrm{131}}^1\times {\mathrm{743}}^1$

素因数の和:890

約数の個数: 48

約数和(自身を含む): 45666720

約数和(自身を除く): 26200120

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 131, 200, 262, 524, 655, 743, 1048, 1310, 1486, 2620, 2972, 3275, 3715, 5240, 5944, 6550, 7430, 13100, 14860, 18575, 26200, 29720, 37150, 74300, 97333, 148600, 194666, 389332, 486665, 778664, 973330, 1946660, 2433325, 3893320, 4866650, 9733300, 19466600]

約数ペア:

[(1, 19466600), (2, 9733300), (4, 4866650), (5, 3893320), (8, 2433325), (10, 1946660), (20, 973330), (25, 778664), (40, 486665), (50, 389332), (100, 194666), (131, 148600), (200, 97333), (262, 74300), (524, 37150), (655, 29720), (743, 26200), (1048, 18575), (1310, 14860), (1486, 13100), (2620, 7430), (2972, 6550), (3275, 5944), (3715, 5240)]