18622450

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{691}}^1$

素因数の和:728

約数の個数: 72

約数和(自身を含む): 44019504

約数和(自身を除く): 25397054

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 49, 50, 55, 70, 77, 98, 110, 154, 175, 245, 275, 350, 385, 490, 539, 550, 691, 770, 1078, 1225, 1382, 1925, 2450, 2695, 3455, 3850, 4837, 5390, 6910, 7601, 9674, 13475, 15202, 17275, 24185, 26950, 33859, 34550, 38005, 48370, 53207, 67718, 76010, 106414, 120925, 169295, 190025, 241850, 266035, 338590, 372449, 380050, 532070, 744898, 846475, 1330175, 1692950, 1862245, 2660350, 3724490, 9311225, 18622450]

約数ペア:

[(1, 18622450), (2, 9311225), (5, 3724490), (7, 2660350), (10, 1862245), (11, 1692950), (14, 1330175), (22, 846475), (25, 744898), (35, 532070), (49, 380050), (50, 372449), (55, 338590), (70, 266035), (77, 241850), (98, 190025), (110, 169295), (154, 120925), (175, 106414), (245, 76010), (275, 67718), (350, 53207), (385, 48370), (490, 38005), (539, 34550), (550, 33859), (691, 26950), (770, 24185), (1078, 17275), (1225, 15202), (1382, 13475), (1925, 9674), (2450, 7601), (2695, 6910), (3455, 5390), (3850, 4837)]