18627784

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1151}}^1$

素因数の和:1198

約数の個数: 48

約数和(自身を含む): 42439680

約数和(自身を除く): 23811896

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 289, 476, 578, 952, 1151, 1156, 2023, 2302, 2312, 4046, 4604, 8057, 8092, 9208, 16114, 16184, 19567, 32228, 39134, 64456, 78268, 136969, 156536, 273938, 332639, 547876, 665278, 1095752, 1330556, 2328473, 2661112, 4656946, 9313892, 18627784]

約数ペア:

[(1, 18627784), (2, 9313892), (4, 4656946), (7, 2661112), (8, 2328473), (14, 1330556), (17, 1095752), (28, 665278), (34, 547876), (56, 332639), (68, 273938), (119, 156536), (136, 136969), (238, 78268), (289, 64456), (476, 39134), (578, 32228), (952, 19567), (1151, 16184), (1156, 16114), (2023, 9208), (2302, 8092), (2312, 8057), (4046, 4604)]