18499390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{701}}^1$

素因数の和:757

約数の個数: 64

約数和(自身を含む): 42456960

約数和(自身を除く): 23957570

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 29, 35, 58, 65, 70, 91, 130, 145, 182, 203, 290, 377, 406, 455, 701, 754, 910, 1015, 1402, 1885, 2030, 2639, 3505, 3770, 4907, 5278, 7010, 9113, 9814, 13195, 18226, 20329, 24535, 26390, 40658, 45565, 49070, 63791, 91130, 101645, 127582, 142303, 203290, 264277, 284606, 318955, 528554, 637910, 711515, 1321385, 1423030, 1849939, 2642770, 3699878, 9249695, 18499390]

約数ペア:

[(1, 18499390), (2, 9249695), (5, 3699878), (7, 2642770), (10, 1849939), (13, 1423030), (14, 1321385), (26, 711515), (29, 637910), (35, 528554), (58, 318955), (65, 284606), (70, 264277), (91, 203290), (130, 142303), (145, 127582), (182, 101645), (203, 91130), (290, 63791), (377, 49070), (406, 45565), (455, 40658), (701, 26390), (754, 24535), (910, 20329), (1015, 18226), (1402, 13195), (1885, 9814), (2030, 9113), (2639, 7010), (3505, 5278), (3770, 4907)]