17960019

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{383}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 31518720

約数和(自身を除く): 13558701

約数列:

[1, 3, 7, 11, 21, 29, 33, 49, 77, 87, 147, 203, 231, 319, 383, 539, 609, 957, 1149, 1421, 1617, 2233, 2681, 4213, 4263, 6699, 8043, 11107, 12639, 15631, 18767, 29491, 33321, 46893, 56301, 77749, 88473, 122177, 206437, 233247, 366531, 544243, 619311, 855239, 1632729, 2565717, 5986673, 17960019]

約数ペア:

[(1, 17960019), (3, 5986673), (7, 2565717), (11, 1632729), (21, 855239), (29, 619311), (33, 544243), (49, 366531), (77, 233247), (87, 206437), (147, 122177), (203, 88473), (231, 77749), (319, 56301), (383, 46893), (539, 33321), (609, 29491), (957, 18767), (1149, 15631), (1421, 12639), (1617, 11107), (2233, 8043), (2681, 6699), (4213, 4263)]