18642273

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 28304640

約数和(自身を除く): 9662367

約数列:

[1, 3, 13, 29, 39, 53, 87, 159, 311, 377, 689, 933, 1131, 1537, 2067, 4043, 4611, 9019, 12129, 16483, 19981, 27057, 49449, 59943, 117247, 214279, 351741, 478007, 642837, 1434021, 6214091, 18642273]

約数ペア:

[(1, 18642273), (3, 6214091), (13, 1434021), (29, 642837), (39, 478007), (53, 351741), (87, 214279), (159, 117247), (311, 59943), (377, 49449), (689, 27057), (933, 19981), (1131, 16483), (1537, 12129), (2067, 9019), (4043, 4611)]