18708228

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1$

素因数の和:442

約数の個数: 144

約数和(自身を含む): 62584704

約数和(自身を除く): 43876476

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 17, 18, 21, 22, 28, 33, 34, 36, 42, 44, 51, 63, 66, 68, 77, 84, 99, 102, 119, 126, 132, 153, 154, 187, 198, 204, 231, 238, 252, 306, 308, 357, 374, 396, 397, 462, 476, 561, 612, 693, 714, 748, 794, 924, 1071, 1122, 1191, 1309, 1386, 1428, 1588, 1683, 2142, 2244, 2382, 2618, 2772, 2779, 3366, 3573, 3927, 4284, 4367, 4764, 5236, 5558, 6732, 6749, 7146, 7854, 8337, 8734, 11116, 11781, 13101, 13498, 14292, 15708, 16674, 17468, 20247, 23562, 25011, 26202, 26996, 30569, 33348, 39303, 40494, 47124, 47243, 50022, 52404, 60741, 61138, 74239, 78606, 80988, 91707, 94486, 100044, 121482, 122276, 141729, 148478, 157212, 183414, 188972, 222717, 242964, 275121, 283458, 296956, 366828, 425187, 445434, 519673, 550242, 566916, 668151, 850374, 890868, 1039346, 1100484, 1336302, 1559019, 1700748, 2078692, 2672604, 3118038, 4677057, 6236076, 9354114, 18708228]

約数ペア:

[(1, 18708228), (2, 9354114), (3, 6236076), (4, 4677057), (6, 3118038), (7, 2672604), (9, 2078692), (11, 1700748), (12, 1559019), (14, 1336302), (17, 1100484), (18, 1039346), (21, 890868), (22, 850374), (28, 668151), (33, 566916), (34, 550242), (36, 519673), (42, 445434), (44, 425187), (51, 366828), (63, 296956), (66, 283458), (68, 275121), (77, 242964), (84, 222717), (99, 188972), (102, 183414), (119, 157212), (126, 148478), (132, 141729), (153, 122276), (154, 121482), (187, 100044), (198, 94486), (204, 91707), (231, 80988), (238, 78606), (252, 74239), (306, 61138), (308, 60741), (357, 52404), (374, 50022), (396, 47243), (397, 47124), (462, 40494), (476, 39303), (561, 33348), (612, 30569), (693, 26996), (714, 26202), (748, 25011), (794, 23562), (924, 20247), (1071, 17468), (1122, 16674), (1191, 15708), (1309, 14292), (1386, 13498), (1428, 13101), (1588, 11781), (1683, 11116), (2142, 8734), (2244, 8337), (2382, 7854), (2618, 7146), (2772, 6749), (2779, 6732), (3366, 5558), (3573, 5236), (3927, 4764), (4284, 4367)]