19508349

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 30720256

約数和(自身を除く): 11211907

約数列:

[1, 3, 7, 21, 61, 97, 157, 183, 291, 427, 471, 679, 1099, 1281, 2037, 3297, 5917, 9577, 15229, 17751, 28731, 41419, 45687, 67039, 106603, 124257, 201117, 319809, 928969, 2786907, 6502783, 19508349]

約数ペア:

[(1, 19508349), (3, 6502783), (7, 2786907), (21, 928969), (61, 319809), (97, 201117), (157, 124257), (183, 106603), (291, 67039), (427, 45687), (471, 41419), (679, 28731), (1099, 17751), (1281, 15229), (2037, 9577), (3297, 5917)]