18835575

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1$

素因数の和:137

約数の個数: 72

約数和(自身を含む): 36545280

約数和(自身を除く): 17709705

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 51, 55, 75, 79, 85, 165, 187, 237, 255, 275, 289, 395, 425, 561, 825, 867, 869, 935, 1185, 1275, 1343, 1445, 1975, 2607, 2805, 3179, 4029, 4335, 4345, 4675, 5925, 6715, 7225, 9537, 13035, 14025, 14773, 15895, 20145, 21675, 21725, 22831, 33575, 44319, 47685, 65175, 68493, 73865, 79475, 100725, 114155, 221595, 238425, 251141, 342465, 369325, 570775, 753423, 1107975, 1255705, 1712325, 3767115, 6278525, 18835575]

約数ペア:

[(1, 18835575), (3, 6278525), (5, 3767115), (11, 1712325), (15, 1255705), (17, 1107975), (25, 753423), (33, 570775), (51, 369325), (55, 342465), (75, 251141), (79, 238425), (85, 221595), (165, 114155), (187, 100725), (237, 79475), (255, 73865), (275, 68493), (289, 65175), (395, 47685), (425, 44319), (561, 33575), (825, 22831), (867, 21725), (869, 21675), (935, 20145), (1185, 15895), (1275, 14773), (1343, 14025), (1445, 13035), (1975, 9537), (2607, 7225), (2805, 6715), (3179, 5925), (4029, 4675), (4335, 4345)]