19287480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1657}}^1$

素因数の和:1768

約数の個数: 64

約数和(自身を含む): 58494240

約数和(自身を除く): 39206760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1455, 1657, 1940, 2328, 2910, 3314, 3880, 4971, 5820, 6628, 8285, 9942, 11640, 13256, 16570, 19884, 24855, 33140, 39768, 49710, 66280, 99420, 160729, 198840, 321458, 482187, 642916, 803645, 964374, 1285832, 1607290, 1928748, 2410935, 3214580, 3857496, 4821870, 6429160, 9643740, 19287480]

約数ペア:

[(1, 19287480), (2, 9643740), (3, 6429160), (4, 4821870), (5, 3857496), (6, 3214580), (8, 2410935), (10, 1928748), (12, 1607290), (15, 1285832), (20, 964374), (24, 803645), (30, 642916), (40, 482187), (60, 321458), (97, 198840), (120, 160729), (194, 99420), (291, 66280), (388, 49710), (485, 39768), (582, 33140), (776, 24855), (970, 19884), (1164, 16570), (1455, 13256), (1657, 11640), (1940, 9942), (2328, 8285), (2910, 6628), (3314, 5820), (3880, 4971)]