18729774

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{281}}^1$

素因数の和:342

約数の個数: 72

約数和(自身を含む): 48655152

約数和(自身を除く): 29925378

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 126, 138, 161, 207, 281, 322, 414, 483, 529, 562, 843, 966, 1058, 1449, 1587, 1686, 1967, 2529, 2898, 3174, 3703, 3934, 4761, 5058, 5901, 6463, 7406, 9522, 11109, 11802, 12926, 17703, 19389, 22218, 33327, 35406, 38778, 45241, 58167, 66654, 90482, 116334, 135723, 148649, 271446, 297298, 407169, 445947, 814338, 891894, 1040543, 1337841, 2081086, 2675682, 3121629, 6243258, 9364887, 18729774]

約数ペア:

[(1, 18729774), (2, 9364887), (3, 6243258), (6, 3121629), (7, 2675682), (9, 2081086), (14, 1337841), (18, 1040543), (21, 891894), (23, 814338), (42, 445947), (46, 407169), (63, 297298), (69, 271446), (126, 148649), (138, 135723), (161, 116334), (207, 90482), (281, 66654), (322, 58167), (414, 45241), (483, 38778), (529, 35406), (562, 33327), (843, 22218), (966, 19389), (1058, 17703), (1449, 12926), (1587, 11802), (1686, 11109), (1967, 9522), (2529, 7406), (2898, 6463), (3174, 5901), (3703, 5058), (3934, 4761)]