18178356

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{571}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 48688640

約数和(自身を除く): 30510284

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 379, 571, 758, 1137, 1142, 1516, 1713, 2274, 2284, 2653, 3426, 3997, 4548, 5306, 6852, 7959, 7994, 10612, 11991, 15918, 15988, 23982, 31836, 47964, 216409, 432818, 649227, 865636, 1298454, 1514863, 2596908, 3029726, 4544589, 6059452, 9089178, 18178356]

約数ペア:

[(1, 18178356), (2, 9089178), (3, 6059452), (4, 4544589), (6, 3029726), (7, 2596908), (12, 1514863), (14, 1298454), (21, 865636), (28, 649227), (42, 432818), (84, 216409), (379, 47964), (571, 31836), (758, 23982), (1137, 15988), (1142, 15918), (1516, 11991), (1713, 10612), (2274, 7994), (2284, 7959), (2653, 6852), (3426, 5306), (3997, 4548)]