19846974

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{907}}^1$

素因数の和:1440

約数の個数: 32

約数和(自身を含む): 45501696

約数和(自身を除く): 25654722

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 521, 907, 1042, 1563, 1814, 2721, 3126, 3647, 5442, 6349, 7294, 10941, 12698, 19047, 21882, 38094, 472547, 945094, 1417641, 2835282, 3307829, 6615658, 9923487, 19846974]

約数ペア:

[(1, 19846974), (2, 9923487), (3, 6615658), (6, 3307829), (7, 2835282), (14, 1417641), (21, 945094), (42, 472547), (521, 38094), (907, 21882), (1042, 19047), (1563, 12698), (1814, 10941), (2721, 7294), (3126, 6349), (3647, 5442)]