19686238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4049}}^1$

素因数の和:4092

約数の個数: 32

約数和(自身を含む): 36741600

約数和(自身を除く): 17055362

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 143, 187, 221, 286, 374, 442, 2431, 4049, 4862, 8098, 44539, 52637, 68833, 89078, 105274, 137666, 579007, 757163, 894829, 1158014, 1514326, 1789658, 9843119, 19686238]

約数ペア:

[(1, 19686238), (2, 9843119), (11, 1789658), (13, 1514326), (17, 1158014), (22, 894829), (26, 757163), (34, 579007), (143, 137666), (187, 105274), (221, 89078), (286, 68833), (374, 52637), (442, 44539), (2431, 8098), (4049, 4862)]