18368630

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1973}}^1$

素因数の和:2013

約数の個数: 48

約数和(自身を含む): 40506480

約数和(自身を除く): 22137850

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 490, 665, 931, 1330, 1862, 1973, 3946, 4655, 9310, 9865, 13811, 19730, 27622, 37487, 69055, 74974, 96677, 138110, 187435, 193354, 262409, 374870, 483385, 524818, 966770, 1312045, 1836863, 2624090, 3673726, 9184315, 18368630]

約数ペア:

[(1, 18368630), (2, 9184315), (5, 3673726), (7, 2624090), (10, 1836863), (14, 1312045), (19, 966770), (35, 524818), (38, 483385), (49, 374870), (70, 262409), (95, 193354), (98, 187435), (133, 138110), (190, 96677), (245, 74974), (266, 69055), (490, 37487), (665, 27622), (931, 19730), (1330, 13811), (1862, 9865), (1973, 9310), (3946, 4655)]