19739220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1223}}^1$

素因数の和:1504

約数の個数: 48

約数和(自身を含む): 55520640

約数和(自身を除く): 35781420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 269, 538, 807, 1076, 1223, 1345, 1614, 2446, 2690, 3228, 3669, 4035, 4892, 5380, 6115, 7338, 8070, 12230, 14676, 16140, 18345, 24460, 36690, 73380, 328987, 657974, 986961, 1315948, 1644935, 1973922, 3289870, 3947844, 4934805, 6579740, 9869610, 19739220]

約数ペア:

[(1, 19739220), (2, 9869610), (3, 6579740), (4, 4934805), (5, 3947844), (6, 3289870), (10, 1973922), (12, 1644935), (15, 1315948), (20, 986961), (30, 657974), (60, 328987), (269, 73380), (538, 36690), (807, 24460), (1076, 18345), (1223, 16140), (1345, 14676), (1614, 12230), (2446, 8070), (2690, 7338), (3228, 6115), (3669, 5380), (4035, 4892)]