19726090

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{271}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 37013760

約数和(自身を除く): 17287670

約数列:

[1, 2, 5, 10, 29, 58, 145, 251, 271, 290, 502, 542, 1255, 1355, 2510, 2710, 7279, 7859, 14558, 15718, 36395, 39295, 68021, 72790, 78590, 136042, 340105, 680210, 1972609, 3945218, 9863045, 19726090]

約数ペア:

[(1, 19726090), (2, 9863045), (5, 3945218), (10, 1972609), (29, 680210), (58, 340105), (145, 136042), (251, 78590), (271, 72790), (290, 68021), (502, 39295), (542, 36395), (1255, 15718), (1355, 14558), (2510, 7859), (2710, 7279)]