18531522

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:439

約数の個数: 48

約数和(自身を含む): 42007680

約数和(自身を除く): 23476158

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 131, 174, 261, 262, 271, 393, 522, 542, 786, 813, 1179, 1626, 2358, 2439, 3799, 4878, 7598, 7859, 11397, 15718, 22794, 23577, 34191, 35501, 47154, 68382, 70731, 71002, 106503, 141462, 213006, 319509, 639018, 1029529, 2059058, 3088587, 6177174, 9265761, 18531522]

約数ペア:

[(1, 18531522), (2, 9265761), (3, 6177174), (6, 3088587), (9, 2059058), (18, 1029529), (29, 639018), (58, 319509), (87, 213006), (131, 141462), (174, 106503), (261, 71002), (262, 70731), (271, 68382), (393, 47154), (522, 35501), (542, 34191), (786, 23577), (813, 22794), (1179, 15718), (1626, 11397), (2358, 7859), (2439, 7598), (3799, 4878)]