18641808

素因数分解:

$2^4\times 3^2\times {\mathrm{129457}}^1$

素因数の和:129471

約数の個数: 30

約数和(自身を含む): 52171574

約数和(自身を除く): 33529766

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 129457, 258914, 388371, 517828, 776742, 1035656, 1165113, 1553484, 2071312, 2330226, 3106968, 4660452, 6213936, 9320904, 18641808]

約数ペア:

[(1, 18641808), (2, 9320904), (3, 6213936), (4, 4660452), (6, 3106968), (8, 2330226), (9, 2071312), (12, 1553484), (16, 1165113), (18, 1035656), (24, 776742), (36, 517828), (48, 388371), (72, 258914), (144, 129457)]