19808535

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1039}}^1$

素因数の和:1119

約数の個数: 32

約数和(自身を含む): 33546240

約数和(自身を除く): 13737705

約数列:

[1, 3, 5, 15, 31, 41, 93, 123, 155, 205, 465, 615, 1039, 1271, 3117, 3813, 5195, 6355, 15585, 19065, 32209, 42599, 96627, 127797, 161045, 212995, 483135, 638985, 1320569, 3961707, 6602845, 19808535]

約数ペア:

[(1, 19808535), (3, 6602845), (5, 3961707), (15, 1320569), (31, 638985), (41, 483135), (93, 212995), (123, 161045), (155, 127797), (205, 96627), (465, 42599), (615, 32209), (1039, 19065), (1271, 15585), (3117, 6355), (3813, 5195)]