19461928

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2099}}^1$

素因数の和:2185

約数の個数: 32

約数和(自身を含む): 39060000

約数和(自身を除く): 19598072

約数列:

[1, 2, 4, 8, 19, 38, 61, 76, 122, 152, 244, 488, 1159, 2099, 2318, 4198, 4636, 8396, 9272, 16792, 39881, 79762, 128039, 159524, 256078, 319048, 512156, 1024312, 2432741, 4865482, 9730964, 19461928]

約数ペア:

[(1, 19461928), (2, 9730964), (4, 4865482), (8, 2432741), (19, 1024312), (38, 512156), (61, 319048), (76, 256078), (122, 159524), (152, 128039), (244, 79762), (488, 39881), (1159, 16792), (2099, 9272), (2318, 8396), (4198, 4636)]