18579929

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:161

約数の個数: 32

約数和(自身を含む): 22498560

約数和(自身を除く): 3918631

約数列:

[1, 17, 19, 23, 41, 61, 323, 391, 437, 697, 779, 943, 1037, 1159, 1403, 2501, 7429, 13243, 16031, 17917, 19703, 23851, 26657, 42517, 47519, 57523, 304589, 453169, 807823, 977891, 1092937, 18579929]

約数ペア:

[(1, 18579929), (17, 1092937), (19, 977891), (23, 807823), (41, 453169), (61, 304589), (323, 57523), (391, 47519), (437, 42517), (697, 26657), (779, 23851), (943, 19703), (1037, 17917), (1159, 16031), (1403, 13243), (2501, 7429)]