17719910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4397}}^1$

素因数の和:4448

約数の個数: 32

約数和(自身を含む): 35465472

約数和(自身を除く): 17745562

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 4397, 8794, 21985, 43970, 57161, 114322, 136307, 272614, 285805, 571610, 681535, 1363070, 1771991, 3543982, 8859955, 17719910]

約数ペア:

[(1, 17719910), (2, 8859955), (5, 3543982), (10, 1771991), (13, 1363070), (26, 681535), (31, 571610), (62, 285805), (65, 272614), (130, 136307), (155, 114322), (310, 57161), (403, 43970), (806, 21985), (2015, 8794), (4030, 4397)]