18879378

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7369}}^1$

素因数の和:7442

約数の個数: 32

約数和(自身を含む): 43866240

約数和(自身を除く): 24986862

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 122, 183, 366, 427, 854, 1281, 2562, 7369, 14738, 22107, 44214, 51583, 103166, 154749, 309498, 449509, 899018, 1348527, 2697054, 3146563, 6293126, 9439689, 18879378]

約数ペア:

[(1, 18879378), (2, 9439689), (3, 6293126), (6, 3146563), (7, 2697054), (14, 1348527), (21, 899018), (42, 449509), (61, 309498), (122, 154749), (183, 103166), (366, 51583), (427, 44214), (854, 22107), (1281, 14738), (2562, 7369)]