18190425

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1297}}^1$

素因数の和:1338

約数の個数: 48

約数和(自身を含む): 34765632

約数和(自身を除く): 16575207

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 51, 55, 75, 85, 165, 187, 255, 275, 425, 561, 825, 935, 1275, 1297, 2805, 3891, 4675, 6485, 14025, 14267, 19455, 22049, 32425, 42801, 66147, 71335, 97275, 110245, 214005, 242539, 330735, 356675, 551225, 727617, 1070025, 1212695, 1653675, 3638085, 6063475, 18190425]

約数ペア:

[(1, 18190425), (3, 6063475), (5, 3638085), (11, 1653675), (15, 1212695), (17, 1070025), (25, 727617), (33, 551225), (51, 356675), (55, 330735), (75, 242539), (85, 214005), (165, 110245), (187, 97275), (255, 71335), (275, 66147), (425, 42801), (561, 32425), (825, 22049), (935, 19455), (1275, 14267), (1297, 14025), (2805, 6485), (3891, 4675)]