19831408

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:425

約数の個数: 40

約数和(自身を含む): 39910640

約数和(自身を除く): 20079232

約数列:

[1, 2, 4, 8, 16, 37, 74, 139, 148, 241, 278, 296, 482, 556, 592, 964, 1112, 1928, 2224, 3856, 5143, 8917, 10286, 17834, 20572, 33499, 35668, 41144, 66998, 71336, 82288, 133996, 142672, 267992, 535984, 1239463, 2478926, 4957852, 9915704, 19831408]

約数ペア:

[(1, 19831408), (2, 9915704), (4, 4957852), (8, 2478926), (16, 1239463), (37, 535984), (74, 267992), (139, 142672), (148, 133996), (241, 82288), (278, 71336), (296, 66998), (482, 41144), (556, 35668), (592, 33499), (964, 20572), (1112, 17834), (1928, 10286), (2224, 8917), (3856, 5143)]