19275268

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{401}}^1$

素因数の和:663

約数の個数: 24

約数和(自身を含む): 34544664

約数和(自身を除く): 15269396

約数列:

[1, 2, 4, 61, 122, 197, 244, 394, 401, 788, 802, 1604, 12017, 24034, 24461, 48068, 48922, 78997, 97844, 157994, 315988, 4818817, 9637634, 19275268]

約数ペア:

[(1, 19275268), (2, 9637634), (4, 4818817), (61, 315988), (122, 157994), (197, 97844), (244, 78997), (394, 48922), (401, 48068), (788, 24461), (802, 24034), (1604, 12017)]