18988848

素因数分解:

$2^4\times 3^2\times {\mathrm{163}}^1\times {\mathrm{809}}^1$

素因数の和:986

約数の個数: 60

約数和(自身を含む): 53534520

約数和(自身を除く): 34545672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 163, 326, 489, 652, 809, 978, 1304, 1467, 1618, 1956, 2427, 2608, 2934, 3236, 3912, 4854, 5868, 6472, 7281, 7824, 9708, 11736, 12944, 14562, 19416, 23472, 29124, 38832, 58248, 116496, 131867, 263734, 395601, 527468, 791202, 1054936, 1186803, 1582404, 2109872, 2373606, 3164808, 4747212, 6329616, 9494424, 18988848]

約数ペア:

[(1, 18988848), (2, 9494424), (3, 6329616), (4, 4747212), (6, 3164808), (8, 2373606), (9, 2109872), (12, 1582404), (16, 1186803), (18, 1054936), (24, 791202), (36, 527468), (48, 395601), (72, 263734), (144, 131867), (163, 116496), (326, 58248), (489, 38832), (652, 29124), (809, 23472), (978, 19416), (1304, 14562), (1467, 12944), (1618, 11736), (1956, 9708), (2427, 7824), (2608, 7281), (2934, 6472), (3236, 5868), (3912, 4854)]