19108867557

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1\times {\mathrm{35141}}^1$

素因数の和:35421

約数の個数: 32

約数和(自身を含む): 27960662016

約数和(自身を除く): 8851794459

約数列:

[1, 3, 13, 39, 73, 191, 219, 573, 949, 2483, 2847, 7449, 13943, 35141, 41829, 105423, 181259, 456833, 543777, 1370499, 2565293, 6711931, 7695879, 20135793, 33348809, 87255103, 100046427, 261765309, 489970963, 1469912889, 6369622519, 19108867557]

約数ペア:

[(1, 19108867557), (3, 6369622519), (13, 1469912889), (39, 489970963), (73, 261765309), (191, 100046427), (219, 87255103), (573, 33348809), (949, 20135793), (2483, 7695879), (2847, 6711931), (7449, 2565293), (13943, 1370499), (35141, 543777), (41829, 456833), (105423, 181259)]