638030412

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{310931}}^1$

素因数の和:310963

約数の個数: 48

約数和(自身を含む): 1741219200

約数和(自身を除く): 1103188788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 310931, 621862, 932793, 1243724, 1865586, 2798379, 3731172, 5596758, 5907689, 8395137, 11193516, 11815378, 16790274, 17723067, 23630756, 33580548, 35446134, 53169201, 70892268, 106338402, 159507603, 212676804, 319015206, 638030412]

約数ペア:

[(1, 638030412), (2, 319015206), (3, 212676804), (4, 159507603), (6, 106338402), (9, 70892268), (12, 53169201), (18, 35446134), (19, 33580548), (27, 23630756), (36, 17723067), (38, 16790274), (54, 11815378), (57, 11193516), (76, 8395137), (108, 5907689), (114, 5596758), (171, 3731172), (228, 2798379), (342, 1865586), (513, 1243724), (684, 932793), (1026, 621862), (2052, 310931)]