18878814

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1471}}^1$

素因数の和:1533

約数の個数: 48

約数和(自身を含む): 44089344

約数和(自身を除く): 25210530

約数列:

[1, 2, 3, 6, 9, 18, 23, 31, 46, 62, 69, 93, 138, 186, 207, 279, 414, 558, 713, 1426, 1471, 2139, 2942, 4278, 4413, 6417, 8826, 12834, 13239, 26478, 33833, 45601, 67666, 91202, 101499, 136803, 202998, 273606, 304497, 410409, 608994, 820818, 1048823, 2097646, 3146469, 6292938, 9439407, 18878814]

約数ペア:

[(1, 18878814), (2, 9439407), (3, 6292938), (6, 3146469), (9, 2097646), (18, 1048823), (23, 820818), (31, 608994), (46, 410409), (62, 304497), (69, 273606), (93, 202998), (138, 136803), (186, 101499), (207, 91202), (279, 67666), (414, 45601), (558, 33833), (713, 26478), (1426, 13239), (1471, 12834), (2139, 8826), (2942, 6417), (4278, 4413)]