18163970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2707}}^1$

素因数の和:2786

約数の個数: 32

約数和(自身を含む): 36265536

約数和(自身を除く): 18101566

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 122, 305, 610, 671, 1342, 2707, 3355, 5414, 6710, 13535, 27070, 29777, 59554, 148885, 165127, 297770, 330254, 825635, 1651270, 1816397, 3632794, 9081985, 18163970]

約数ペア:

[(1, 18163970), (2, 9081985), (5, 3632794), (10, 1816397), (11, 1651270), (22, 825635), (55, 330254), (61, 297770), (110, 165127), (122, 148885), (305, 59554), (610, 29777), (671, 27070), (1342, 13535), (2707, 6710), (3355, 5414)]