17970428

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1987}}^1$

素因数の和:2034

約数の個数: 48

約数和(自身を含む): 40078080

約数和(自身を除く): 22107652

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 68, 76, 119, 133, 238, 266, 323, 476, 532, 646, 1292, 1987, 2261, 3974, 4522, 7948, 9044, 13909, 27818, 33779, 37753, 55636, 67558, 75506, 135116, 151012, 236453, 264271, 472906, 528542, 641801, 945812, 1057084, 1283602, 2567204, 4492607, 8985214, 17970428]

約数ペア:

[(1, 17970428), (2, 8985214), (4, 4492607), (7, 2567204), (14, 1283602), (17, 1057084), (19, 945812), (28, 641801), (34, 528542), (38, 472906), (68, 264271), (76, 236453), (119, 151012), (133, 135116), (238, 75506), (266, 67558), (323, 55636), (476, 37753), (532, 33779), (646, 27818), (1292, 13909), (1987, 9044), (2261, 7948), (3974, 4522)]