19874632

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{461}}^1$

素因数の和:801

約数の個数: 32

約数和(自身を含む): 39667320

約数和(自身を除く): 19792688

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 317, 461, 634, 922, 1268, 1844, 2536, 3688, 5389, 7837, 10778, 15674, 21556, 31348, 43112, 62696, 146137, 292274, 584548, 1169096, 2484329, 4968658, 9937316, 19874632]

約数ペア:

[(1, 19874632), (2, 9937316), (4, 4968658), (8, 2484329), (17, 1169096), (34, 584548), (68, 292274), (136, 146137), (317, 62696), (461, 43112), (634, 31348), (922, 21556), (1268, 15674), (1844, 10778), (2536, 7837), (3688, 5389)]