19387188

素因数分解:

$2^2\times 3^4\times {\mathrm{53}}^1\times {\mathrm{1129}}^1$

素因数の和:1198

約数の個数: 60

約数和(自身を含む): 51683940

約数和(自身を除く): 32296752

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 53, 54, 81, 106, 108, 159, 162, 212, 318, 324, 477, 636, 954, 1129, 1431, 1908, 2258, 2862, 3387, 4293, 4516, 5724, 6774, 8586, 10161, 13548, 17172, 20322, 30483, 40644, 59837, 60966, 91449, 119674, 121932, 179511, 182898, 239348, 359022, 365796, 538533, 718044, 1077066, 1615599, 2154132, 3231198, 4846797, 6462396, 9693594, 19387188]

約数ペア:

[(1, 19387188), (2, 9693594), (3, 6462396), (4, 4846797), (6, 3231198), (9, 2154132), (12, 1615599), (18, 1077066), (27, 718044), (36, 538533), (53, 365796), (54, 359022), (81, 239348), (106, 182898), (108, 179511), (159, 121932), (162, 119674), (212, 91449), (318, 60966), (324, 59837), (477, 40644), (636, 30483), (954, 20322), (1129, 17172), (1431, 13548), (1908, 10161), (2258, 8586), (2862, 6774), (3387, 5724), (4293, 4516)]