18314955

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 34544640

約数和(自身を除く): 16229685

約数列:

[1, 3, 5, 9, 15, 19, 31, 45, 57, 93, 95, 155, 171, 279, 285, 465, 589, 691, 855, 1395, 1767, 2073, 2945, 3455, 5301, 6219, 8835, 10365, 13129, 21421, 26505, 31095, 39387, 64263, 65645, 107105, 118161, 192789, 196935, 321315, 406999, 590805, 963945, 1220997, 2034995, 3662991, 6104985, 18314955]

約数ペア:

[(1, 18314955), (3, 6104985), (5, 3662991), (9, 2034995), (15, 1220997), (19, 963945), (31, 590805), (45, 406999), (57, 321315), (93, 196935), (95, 192789), (155, 118161), (171, 107105), (279, 65645), (285, 64263), (465, 39387), (589, 31095), (691, 26505), (855, 21421), (1395, 13129), (1767, 10365), (2073, 8835), (2945, 6219), (3455, 5301)]