19684288

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{401}}^1$

素因数の和:485

約数の個数: 56

約数和(自身を含む): 42885360

約数和(自身を除く): 23201072

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 59, 64, 104, 118, 208, 236, 401, 416, 472, 767, 802, 832, 944, 1534, 1604, 1888, 3068, 3208, 3776, 5213, 6136, 6416, 10426, 12272, 12832, 20852, 23659, 24544, 25664, 41704, 47318, 49088, 83408, 94636, 166816, 189272, 307567, 333632, 378544, 615134, 757088, 1230268, 1514176, 2460536, 4921072, 9842144, 19684288]

約数ペア:

[(1, 19684288), (2, 9842144), (4, 4921072), (8, 2460536), (13, 1514176), (16, 1230268), (26, 757088), (32, 615134), (52, 378544), (59, 333632), (64, 307567), (104, 189272), (118, 166816), (208, 94636), (236, 83408), (401, 49088), (416, 47318), (472, 41704), (767, 25664), (802, 24544), (832, 23659), (944, 20852), (1534, 12832), (1604, 12272), (1888, 10426), (3068, 6416), (3208, 6136), (3776, 5213)]