18898768

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:224

約数の個数: 80

約数和(自身を含む): 44997120

約数和(自身を除く): 26098352

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 83, 107, 112, 133, 152, 166, 214, 266, 304, 332, 428, 532, 581, 664, 749, 856, 1064, 1162, 1328, 1498, 1577, 1712, 2033, 2128, 2324, 2996, 3154, 4066, 4648, 5992, 6308, 8132, 8881, 9296, 11039, 11984, 12616, 14231, 16264, 17762, 22078, 25232, 28462, 32528, 35524, 44156, 56924, 62167, 71048, 88312, 113848, 124334, 142096, 168739, 176624, 227696, 248668, 337478, 497336, 674956, 994672, 1181173, 1349912, 2362346, 2699824, 4724692, 9449384, 18898768]

約数ペア:

[(1, 18898768), (2, 9449384), (4, 4724692), (7, 2699824), (8, 2362346), (14, 1349912), (16, 1181173), (19, 994672), (28, 674956), (38, 497336), (56, 337478), (76, 248668), (83, 227696), (107, 176624), (112, 168739), (133, 142096), (152, 124334), (166, 113848), (214, 88312), (266, 71048), (304, 62167), (332, 56924), (428, 44156), (532, 35524), (581, 32528), (664, 28462), (749, 25232), (856, 22078), (1064, 17762), (1162, 16264), (1328, 14231), (1498, 12616), (1577, 11984), (1712, 11039), (2033, 9296), (2128, 8881), (2324, 8132), (2996, 6308), (3154, 5992), (4066, 4648)]