18654398

素因数分解:

$2^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 33177600

約数和(自身を除く): 14523202

約数列:

[1, 2, 7, 14, 49, 71, 98, 142, 343, 383, 497, 686, 766, 994, 2681, 3479, 5362, 6958, 18767, 24353, 27193, 37534, 48706, 54386, 131369, 190351, 262738, 380702, 1332457, 2664914, 9327199, 18654398]

約数ペア:

[(1, 18654398), (2, 9327199), (7, 2664914), (14, 1332457), (49, 380702), (71, 262738), (98, 190351), (142, 131369), (343, 54386), (383, 48706), (497, 37534), (686, 27193), (766, 24353), (994, 18767), (2681, 6958), (3479, 5362)]