18188079

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3919}}^1$

素因数の和:3959

約数の個数: 32

約数和(自身を含む): 31610880

約数和(自身を除く): 13422801

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 3919, 4641, 11757, 27433, 50947, 66623, 82299, 152841, 199869, 356629, 466361, 866099, 1069887, 1399083, 2598297, 6062693, 18188079]

約数ペア:

[(1, 18188079), (3, 6062693), (7, 2598297), (13, 1399083), (17, 1069887), (21, 866099), (39, 466361), (51, 356629), (91, 199869), (119, 152841), (221, 82299), (273, 66623), (357, 50947), (663, 27433), (1547, 11757), (3919, 4641)]