18198684

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{281}}^1$

素因数の和:555

約数の個数: 72

約数和(自身を含む): 52966368

約数和(自身を除く): 34767684

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 257, 281, 514, 562, 771, 843, 1028, 1124, 1542, 1686, 1799, 1967, 2313, 2529, 3084, 3372, 3598, 3934, 4626, 5058, 5397, 5901, 7196, 7868, 9252, 10116, 10794, 11802, 16191, 17703, 21588, 23604, 32382, 35406, 64764, 70812, 72217, 144434, 216651, 288868, 433302, 505519, 649953, 866604, 1011038, 1299906, 1516557, 2022076, 2599812, 3033114, 4549671, 6066228, 9099342, 18198684]

約数ペア:

[(1, 18198684), (2, 9099342), (3, 6066228), (4, 4549671), (6, 3033114), (7, 2599812), (9, 2022076), (12, 1516557), (14, 1299906), (18, 1011038), (21, 866604), (28, 649953), (36, 505519), (42, 433302), (63, 288868), (84, 216651), (126, 144434), (252, 72217), (257, 70812), (281, 64764), (514, 35406), (562, 32382), (771, 23604), (843, 21588), (1028, 17703), (1124, 16191), (1542, 11802), (1686, 10794), (1799, 10116), (1967, 9252), (2313, 7868), (2529, 7196), (3084, 5901), (3372, 5397), (3598, 5058), (3934, 4626)]