18969954

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1291}}^1$

素因数の和:1406

約数の個数: 32

約数和(自身を含む): 39690240

約数和(自身を除く): 20720286

約数列:

[1, 2, 3, 6, 31, 62, 79, 93, 158, 186, 237, 474, 1291, 2449, 2582, 3873, 4898, 7347, 7746, 14694, 40021, 80042, 101989, 120063, 203978, 240126, 305967, 611934, 3161659, 6323318, 9484977, 18969954]

約数ペア:

[(1, 18969954), (2, 9484977), (3, 6323318), (6, 3161659), (31, 611934), (62, 305967), (79, 240126), (93, 203978), (158, 120063), (186, 101989), (237, 80042), (474, 40021), (1291, 14694), (2449, 7746), (2582, 7347), (3873, 4898)]