19360180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2267}}^1$

素因数の和:2344

約数の個数: 48

約数和(自身を含む): 47246976

約数和(自身を除く): 27886796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 2267, 4270, 4534, 8540, 9068, 11335, 15869, 22670, 31738, 45340, 63476, 79345, 138287, 158690, 276574, 317380, 553148, 691435, 968009, 1382870, 1936018, 2765740, 3872036, 4840045, 9680090, 19360180]

約数ペア:

[(1, 19360180), (2, 9680090), (4, 4840045), (5, 3872036), (7, 2765740), (10, 1936018), (14, 1382870), (20, 968009), (28, 691435), (35, 553148), (61, 317380), (70, 276574), (122, 158690), (140, 138287), (244, 79345), (305, 63476), (427, 45340), (610, 31738), (854, 22670), (1220, 15869), (1708, 11335), (2135, 9068), (2267, 8540), (4270, 4534)]