18467475

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:117

約数の個数: 72

約数和(自身を含む): 34854912

約数和(自身を除く): 16387437

約数列:

[1, 3, 5, 13, 15, 25, 31, 39, 47, 65, 75, 93, 141, 155, 169, 195, 235, 325, 403, 465, 507, 611, 705, 775, 845, 975, 1175, 1209, 1457, 1833, 2015, 2325, 2535, 3055, 3525, 4225, 4371, 5239, 6045, 7285, 7943, 9165, 10075, 12675, 15275, 15717, 18941, 21855, 23829, 26195, 30225, 36425, 39715, 45825, 56823, 78585, 94705, 109275, 119145, 130975, 198575, 246233, 284115, 392925, 473525, 595725, 738699, 1231165, 1420575, 3693495, 6155825, 18467475]

約数ペア:

[(1, 18467475), (3, 6155825), (5, 3693495), (13, 1420575), (15, 1231165), (25, 738699), (31, 595725), (39, 473525), (47, 392925), (65, 284115), (75, 246233), (93, 198575), (141, 130975), (155, 119145), (169, 109275), (195, 94705), (235, 78585), (325, 56823), (403, 45825), (465, 39715), (507, 36425), (611, 30225), (705, 26195), (775, 23829), (845, 21855), (975, 18941), (1175, 15717), (1209, 15275), (1457, 12675), (1833, 10075), (2015, 9165), (2325, 7943), (2535, 7285), (3055, 6045), (3525, 5239), (4225, 4371)]