18960158

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{79}}^2$

素因数の和:205

約数の個数: 36

約数和(自身を含む): 34588512

約数和(自身を除く): 15628354

約数列:

[1, 2, 7, 14, 31, 49, 62, 79, 98, 158, 217, 434, 553, 1106, 1519, 2449, 3038, 3871, 4898, 6241, 7742, 12482, 17143, 34286, 43687, 87374, 120001, 193471, 240002, 305809, 386942, 611618, 1354297, 2708594, 9480079, 18960158]

約数ペア:

[(1, 18960158), (2, 9480079), (7, 2708594), (14, 1354297), (31, 611618), (49, 386942), (62, 305809), (79, 240002), (98, 193471), (158, 120001), (217, 87374), (434, 43687), (553, 34286), (1106, 17143), (1519, 12482), (2449, 7742), (3038, 6241), (3871, 4898)]