19765878

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:517

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 26890122

約数列:

[1, 2, 3, 6, 11, 22, 23, 29, 33, 46, 58, 66, 69, 87, 138, 174, 253, 319, 449, 506, 638, 667, 759, 898, 957, 1334, 1347, 1518, 1914, 2001, 2694, 4002, 4939, 7337, 9878, 10327, 13021, 14674, 14817, 20654, 22011, 26042, 29634, 30981, 39063, 44022, 61962, 78126, 113597, 143231, 227194, 286462, 299483, 340791, 429693, 598966, 681582, 859386, 898449, 1796898, 3294313, 6588626, 9882939, 19765878]

約数ペア:

[(1, 19765878), (2, 9882939), (3, 6588626), (6, 3294313), (11, 1796898), (22, 898449), (23, 859386), (29, 681582), (33, 598966), (46, 429693), (58, 340791), (66, 299483), (69, 286462), (87, 227194), (138, 143231), (174, 113597), (253, 78126), (319, 61962), (449, 44022), (506, 39063), (638, 30981), (667, 29634), (759, 26042), (898, 22011), (957, 20654), (1334, 14817), (1347, 14674), (1518, 13021), (1914, 10327), (2001, 9878), (2694, 7337), (4002, 4939)]