19811698

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:402

約数の個数: 32

約数和(自身を含む): 33125760

約数和(自身を除く): 13314062

約数列:

[1, 2, 17, 29, 34, 58, 71, 142, 283, 493, 566, 986, 1207, 2059, 2414, 4118, 4811, 8207, 9622, 16414, 20093, 35003, 40186, 70006, 139519, 279038, 341581, 582697, 683162, 1165394, 9905849, 19811698]

約数ペア:

[(1, 19811698), (2, 9905849), (17, 1165394), (29, 683162), (34, 582697), (58, 341581), (71, 279038), (142, 139519), (283, 70006), (493, 40186), (566, 35003), (986, 20093), (1207, 16414), (2059, 9622), (2414, 8207), (4118, 4811)]