19088870

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{443}}^1$

素因数の和:620

約数の個数: 32

約数和(自身を含む): 35804160

約数和(自身を除く): 16715290

約数列:

[1, 2, 5, 10, 31, 62, 139, 155, 278, 310, 443, 695, 886, 1390, 2215, 4309, 4430, 8618, 13733, 21545, 27466, 43090, 61577, 68665, 123154, 137330, 307885, 615770, 1908887, 3817774, 9544435, 19088870]

約数ペア:

[(1, 19088870), (2, 9544435), (5, 3817774), (10, 1908887), (31, 615770), (62, 307885), (139, 137330), (155, 123154), (278, 68665), (310, 61577), (443, 43090), (695, 27466), (886, 21545), (1390, 13733), (2215, 8618), (4309, 4430)]