18670764

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{281}}^1$

素因数の和:415

約数の個数: 72

約数和(自身を含む): 51308208

約数和(自身を除く): 32637444

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 113, 147, 196, 226, 281, 294, 339, 452, 562, 588, 678, 791, 843, 1124, 1356, 1582, 1686, 1967, 2373, 3164, 3372, 3934, 4746, 5537, 5901, 7868, 9492, 11074, 11802, 13769, 16611, 22148, 23604, 27538, 31753, 33222, 41307, 55076, 63506, 66444, 82614, 95259, 127012, 165228, 190518, 222271, 381036, 444542, 666813, 889084, 1333626, 1555897, 2667252, 3111794, 4667691, 6223588, 9335382, 18670764]

約数ペア:

[(1, 18670764), (2, 9335382), (3, 6223588), (4, 4667691), (6, 3111794), (7, 2667252), (12, 1555897), (14, 1333626), (21, 889084), (28, 666813), (42, 444542), (49, 381036), (84, 222271), (98, 190518), (113, 165228), (147, 127012), (196, 95259), (226, 82614), (281, 66444), (294, 63506), (339, 55076), (452, 41307), (562, 33222), (588, 31753), (678, 27538), (791, 23604), (843, 22148), (1124, 16611), (1356, 13769), (1582, 11802), (1686, 11074), (1967, 9492), (2373, 7868), (3164, 5901), (3372, 5537), (3934, 4746)]