13619540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1997}}^1$

素因数の和:2048

約数の個数: 48

約数和(自身を含む): 32223744

約数和(自身を除く): 18604204

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 1997, 3410, 3994, 6820, 7988, 9985, 19970, 21967, 39940, 43934, 61907, 87868, 109835, 123814, 219670, 247628, 309535, 439340, 619070, 680977, 1238140, 1361954, 2723908, 3404885, 6809770, 13619540]

約数ペア:

[(1, 13619540), (2, 6809770), (4, 3404885), (5, 2723908), (10, 1361954), (11, 1238140), (20, 680977), (22, 619070), (31, 439340), (44, 309535), (55, 247628), (62, 219670), (110, 123814), (124, 109835), (155, 87868), (220, 61907), (310, 43934), (341, 39940), (620, 21967), (682, 19970), (1364, 9985), (1705, 7988), (1997, 6820), (3410, 3994)]