18345236

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{499}}^1$

素因数の和:624

約数の個数: 48

約数和(自身を含む): 39984000

約数和(自身を除く): 21638764

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 101, 182, 202, 364, 404, 499, 707, 998, 1313, 1414, 1996, 2626, 2828, 3493, 5252, 6487, 6986, 9191, 12974, 13972, 18382, 25948, 36764, 45409, 50399, 90818, 100798, 181636, 201596, 352793, 655187, 705586, 1310374, 1411172, 2620748, 4586309, 9172618, 18345236]

約数ペア:

[(1, 18345236), (2, 9172618), (4, 4586309), (7, 2620748), (13, 1411172), (14, 1310374), (26, 705586), (28, 655187), (52, 352793), (91, 201596), (101, 181636), (182, 100798), (202, 90818), (364, 50399), (404, 45409), (499, 36764), (707, 25948), (998, 18382), (1313, 13972), (1414, 12974), (1996, 9191), (2626, 6986), (2828, 6487), (3493, 5252)]