17995965

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 32325120

約数和(自身を除く): 14329155

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 155, 169, 195, 229, 403, 465, 507, 687, 845, 1145, 1209, 2015, 2535, 2977, 3435, 5239, 6045, 7099, 8931, 14885, 15717, 21297, 26195, 35495, 38701, 44655, 78585, 92287, 106485, 116103, 193505, 276861, 461435, 580515, 1199731, 1384305, 3599193, 5998655, 17995965]

約数ペア:

[(1, 17995965), (3, 5998655), (5, 3599193), (13, 1384305), (15, 1199731), (31, 580515), (39, 461435), (65, 276861), (93, 193505), (155, 116103), (169, 106485), (195, 92287), (229, 78585), (403, 44655), (465, 38701), (507, 35495), (687, 26195), (845, 21297), (1145, 15717), (1209, 14885), (2015, 8931), (2535, 7099), (2977, 6045), (3435, 5239)]