17872972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 35223552

約数和(自身を除く): 17350580

約数列:

[1, 2, 4, 13, 26, 47, 52, 71, 94, 103, 142, 188, 206, 284, 412, 611, 923, 1222, 1339, 1846, 2444, 2678, 3337, 3692, 4841, 5356, 6674, 7313, 9682, 13348, 14626, 19364, 29252, 43381, 62933, 86762, 95069, 125866, 173524, 190138, 251732, 343711, 380276, 687422, 1374844, 4468243, 8936486, 17872972]

約数ペア:

[(1, 17872972), (2, 8936486), (4, 4468243), (13, 1374844), (26, 687422), (47, 380276), (52, 343711), (71, 251732), (94, 190138), (103, 173524), (142, 125866), (188, 95069), (206, 86762), (284, 62933), (412, 43381), (611, 29252), (923, 19364), (1222, 14626), (1339, 13348), (1846, 9682), (2444, 7313), (2678, 6674), (3337, 5356), (3692, 4841)]