19242145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 26498304

約数和(自身を除く): 7256159

約数列:

[1, 5, 13, 23, 61, 65, 115, 211, 299, 305, 793, 1055, 1403, 1495, 2743, 3965, 4853, 7015, 12871, 13715, 18239, 24265, 63089, 64355, 91195, 167323, 296033, 315445, 836615, 1480165, 3848429, 19242145]

約数ペア:

[(1, 19242145), (5, 3848429), (13, 1480165), (23, 836615), (61, 315445), (65, 296033), (115, 167323), (211, 91195), (299, 64355), (305, 63089), (793, 24265), (1055, 18239), (1403, 13715), (1495, 12871), (2743, 7015), (3965, 4853)]