19916091

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2467}}^1$

素因数の和:2512

約数の個数: 32

約数和(自身を含む): 33169920

約数和(自身を除く): 13253829

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 621, 897, 2467, 2691, 7401, 8073, 22203, 32071, 56741, 66609, 96213, 170223, 288639, 510669, 737633, 865917, 1532007, 2212899, 6638697, 19916091]

約数ペア:

[(1, 19916091), (3, 6638697), (9, 2212899), (13, 1532007), (23, 865917), (27, 737633), (39, 510669), (69, 288639), (117, 170223), (207, 96213), (299, 66609), (351, 56741), (621, 32071), (897, 22203), (2467, 8073), (2691, 7401)]