19006075305

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{109903}}^1$

素因数の和:109988

約数の個数: 80

約数和(自身を含む): 39575990784

約数和(自身を除く): 20569915479

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 61, 63, 81, 105, 135, 183, 189, 305, 315, 405, 427, 549, 567, 915, 945, 1281, 1647, 2135, 2745, 2835, 3843, 4941, 6405, 8235, 11529, 19215, 24705, 34587, 57645, 109903, 172935, 329709, 549515, 769321, 989127, 1648545, 2307963, 2967381, 3846605, 4945635, 6704083, 6923889, 8902143, 11539815, 14836905, 20112249, 20771667, 33520415, 34619445, 44510715, 46928581, 60336747, 62315001, 100561245, 103858335, 140785743, 181010241, 234642905, 301683735, 311575005, 422357229, 543030723, 703928715, 905051205, 1267071687, 2111786145, 2715153615, 3801215061, 6335358435, 19006075305]

約数ペア:

[(1, 19006075305), (3, 6335358435), (5, 3801215061), (7, 2715153615), (9, 2111786145), (15, 1267071687), (21, 905051205), (27, 703928715), (35, 543030723), (45, 422357229), (61, 311575005), (63, 301683735), (81, 234642905), (105, 181010241), (135, 140785743), (183, 103858335), (189, 100561245), (305, 62315001), (315, 60336747), (405, 46928581), (427, 44510715), (549, 34619445), (567, 33520415), (915, 20771667), (945, 20112249), (1281, 14836905), (1647, 11539815), (2135, 8902143), (2745, 6923889), (2835, 6704083), (3843, 4945635), (4941, 3846605), (6405, 2967381), (8235, 2307963), (11529, 1648545), (19215, 989127), (24705, 769321), (34587, 549515), (57645, 329709), (109903, 172935)]