18439330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{881}}^1$

素因数の和:931

約数の個数: 64

約数和(自身を含む): 42674688

約数和(自身を除く): 24235358

約数列:

[1, 2, 5, 7, 10, 13, 14, 23, 26, 35, 46, 65, 70, 91, 115, 130, 161, 182, 230, 299, 322, 455, 598, 805, 881, 910, 1495, 1610, 1762, 2093, 2990, 4186, 4405, 6167, 8810, 10465, 11453, 12334, 20263, 20930, 22906, 30835, 40526, 57265, 61670, 80171, 101315, 114530, 141841, 160342, 202630, 263419, 283682, 400855, 526838, 709205, 801710, 1317095, 1418410, 1843933, 2634190, 3687866, 9219665, 18439330]

約数ペア:

[(1, 18439330), (2, 9219665), (5, 3687866), (7, 2634190), (10, 1843933), (13, 1418410), (14, 1317095), (23, 801710), (26, 709205), (35, 526838), (46, 400855), (65, 283682), (70, 263419), (91, 202630), (115, 160342), (130, 141841), (161, 114530), (182, 101315), (230, 80171), (299, 61670), (322, 57265), (455, 40526), (598, 30835), (805, 22906), (881, 20930), (910, 20263), (1495, 12334), (1610, 11453), (1762, 10465), (2093, 8810), (2990, 6167), (4186, 4405)]