18833842625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{743}}^1\times {\mathrm{821}}^1$

素因数の和:1611

約数の個数: 64

約数和(自身を含む): 26713290240

約数和(自身を除く): 7879447615

約数列:

[1, 5, 13, 19, 25, 65, 95, 125, 247, 325, 475, 743, 821, 1235, 1625, 2375, 3715, 4105, 6175, 9659, 10673, 14117, 15599, 18575, 20525, 30875, 48295, 53365, 70585, 77995, 92875, 102625, 183521, 202787, 241475, 266825, 352925, 389975, 610003, 917605, 1013935, 1207375, 1334125, 1764625, 1949875, 3050015, 4588025, 5069675, 7930039, 11590057, 15250075, 22940125, 25348375, 39650195, 57950285, 76250375, 150670741, 198250975, 289751425, 753353705, 991254875, 1448757125, 3766768525, 18833842625]

約数ペア:

[(1, 18833842625), (5, 3766768525), (13, 1448757125), (19, 991254875), (25, 753353705), (65, 289751425), (95, 198250975), (125, 150670741), (247, 76250375), (325, 57950285), (475, 39650195), (743, 25348375), (821, 22940125), (1235, 15250075), (1625, 11590057), (2375, 7930039), (3715, 5069675), (4105, 4588025), (6175, 3050015), (9659, 1949875), (10673, 1764625), (14117, 1334125), (15599, 1207375), (18575, 1013935), (20525, 917605), (30875, 610003), (48295, 389975), (53365, 352925), (70585, 266825), (77995, 241475), (92875, 202787), (102625, 183521)]