19971504

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{19813}}^1$

素因数の和:19834

約数の個数: 60

約数和(自身を含む): 63880336

約数和(自身を除く): 43908832

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 19813, 39626, 59439, 79252, 118878, 138691, 158504, 178317, 237756, 277382, 317008, 356634, 416073, 475512, 554764, 713268, 832146, 951024, 1109528, 1248219, 1426536, 1664292, 2219056, 2496438, 2853072, 3328584, 4992876, 6657168, 9985752, 19971504]

約数ペア:

[(1, 19971504), (2, 9985752), (3, 6657168), (4, 4992876), (6, 3328584), (7, 2853072), (8, 2496438), (9, 2219056), (12, 1664292), (14, 1426536), (16, 1248219), (18, 1109528), (21, 951024), (24, 832146), (28, 713268), (36, 554764), (42, 475512), (48, 416073), (56, 356634), (63, 317008), (72, 277382), (84, 237756), (112, 178317), (126, 158504), (144, 138691), (168, 118878), (252, 79252), (336, 59439), (504, 39626), (1008, 19813)]