20218191802

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1\times {\mathrm{15443}}^1$

素因数の和:15858

約数の個数: 32

約数和(自身を含む): 32291550720

約数和(自身を除く): 12073358918

約数列:

[1, 2, 19, 38, 131, 262, 263, 526, 2489, 4978, 4997, 9994, 15443, 30886, 34453, 68906, 293417, 586834, 654607, 1309214, 2023033, 4046066, 4061509, 8123018, 38437627, 76875254, 77168671, 154337342, 532057679, 1064115358, 10109095901, 20218191802]

約数ペア:

[(1, 20218191802), (2, 10109095901), (19, 1064115358), (38, 532057679), (131, 154337342), (262, 77168671), (263, 76875254), (526, 38437627), (2489, 8123018), (4978, 4061509), (4997, 4046066), (9994, 2023033), (15443, 1309214), (30886, 654607), (34453, 586834), (68906, 293417)]