19020885

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4241}}^1$

素因数の和:4285

約数の個数: 32

約数和(自身を含む): 34207488

約数和(自身を除く): 15186603

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4241, 4485, 12723, 21205, 55133, 63615, 97543, 165399, 275665, 292629, 487715, 826995, 1268059, 1463145, 3804177, 6340295, 19020885]

約数ペア:

[(1, 19020885), (3, 6340295), (5, 3804177), (13, 1463145), (15, 1268059), (23, 826995), (39, 487715), (65, 292629), (69, 275665), (115, 165399), (195, 97543), (299, 63615), (345, 55133), (897, 21205), (1495, 12723), (4241, 4485)]