19759185

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1123}}^1$

素因数の和:1174

約数の個数: 48

約数和(自身を含む): 37874304

約数和(自身を除く): 18115119

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 51, 69, 85, 115, 153, 207, 255, 345, 391, 765, 1035, 1123, 1173, 1955, 3369, 3519, 5615, 5865, 10107, 16845, 17595, 19091, 25829, 50535, 57273, 77487, 95455, 129145, 171819, 232461, 286365, 387435, 439093, 859095, 1162305, 1317279, 2195465, 3951837, 6586395, 19759185]

約数ペア:

[(1, 19759185), (3, 6586395), (5, 3951837), (9, 2195465), (15, 1317279), (17, 1162305), (23, 859095), (45, 439093), (51, 387435), (69, 286365), (85, 232461), (115, 171819), (153, 129145), (207, 95455), (255, 77487), (345, 57273), (391, 50535), (765, 25829), (1035, 19091), (1123, 17595), (1173, 16845), (1955, 10107), (3369, 5865), (3519, 5615)]