19407986

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{823}}^1\times {\mathrm{907}}^1$

素因数の和:1745

約数の個数: 16

約数和(自身を含む): 31424064

約数和(自身を除く): 12016078

約数列:

[1, 2, 13, 26, 823, 907, 1646, 1814, 10699, 11791, 21398, 23582, 746461, 1492922, 9703993, 19407986]

約数ペア:

[(1, 19407986), (2, 9703993), (13, 1492922), (26, 746461), (823, 23582), (907, 21398), (1646, 11791), (1814, 10699)]