19519968

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{15641}}^1$

素因数の和:15667

約数の個数: 48

約数和(自身を含む): 55184976

約数和(自身を除く): 35665008

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 15641, 31282, 46923, 62564, 93846, 125128, 187692, 203333, 250256, 375384, 406666, 500512, 609999, 750768, 813332, 1219998, 1501536, 1626664, 2439996, 3253328, 4879992, 6506656, 9759984, 19519968]

約数ペア:

[(1, 19519968), (2, 9759984), (3, 6506656), (4, 4879992), (6, 3253328), (8, 2439996), (12, 1626664), (13, 1501536), (16, 1219998), (24, 813332), (26, 750768), (32, 609999), (39, 500512), (48, 406666), (52, 375384), (78, 250256), (96, 203333), (104, 187692), (156, 125128), (208, 93846), (312, 62564), (416, 46923), (624, 31282), (1248, 15641)]