18992867180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3413}}^1\times {\mathrm{39749}}^1$

素因数の和:43178

約数の個数: 48

約数和(自身を含む): 45597384000

約数和(自身を除く): 26604516820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3413, 6826, 13652, 17065, 23891, 34130, 39749, 47782, 68260, 79498, 95564, 119455, 158996, 198745, 238910, 278243, 397490, 477820, 556486, 794980, 1112972, 1391215, 2782430, 5564860, 135663337, 271326674, 542653348, 678316685, 949643359, 1356633370, 1899286718, 2713266740, 3798573436, 4748216795, 9496433590, 18992867180]

約数ペア:

[(1, 18992867180), (2, 9496433590), (4, 4748216795), (5, 3798573436), (7, 2713266740), (10, 1899286718), (14, 1356633370), (20, 949643359), (28, 678316685), (35, 542653348), (70, 271326674), (140, 135663337), (3413, 5564860), (6826, 2782430), (13652, 1391215), (17065, 1112972), (23891, 794980), (34130, 556486), (39749, 477820), (47782, 397490), (68260, 278243), (79498, 238910), (95564, 198745), (119455, 158996)]