19485906

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1$

素因数の和:455

約数の個数: 64

約数和(自身を含む): 45964800

約数和(自身を除く): 26478894

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 41, 57, 66, 82, 114, 123, 209, 246, 379, 418, 451, 627, 758, 779, 902, 1137, 1254, 1353, 1558, 2274, 2337, 2706, 4169, 4674, 7201, 8338, 8569, 12507, 14402, 15539, 17138, 21603, 25014, 25707, 31078, 43206, 46617, 51414, 79211, 93234, 158422, 170929, 237633, 295241, 341858, 475266, 512787, 590482, 885723, 1025574, 1771446, 3247651, 6495302, 9742953, 19485906]

約数ペア:

[(1, 19485906), (2, 9742953), (3, 6495302), (6, 3247651), (11, 1771446), (19, 1025574), (22, 885723), (33, 590482), (38, 512787), (41, 475266), (57, 341858), (66, 295241), (82, 237633), (114, 170929), (123, 158422), (209, 93234), (246, 79211), (379, 51414), (418, 46617), (451, 43206), (627, 31078), (758, 25707), (779, 25014), (902, 21603), (1137, 17138), (1254, 15539), (1353, 14402), (1558, 12507), (2274, 8569), (2337, 8338), (2706, 7201), (4169, 4674)]