19266005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 26749440

約数和(自身を除く): 7483435

約数列:

[1, 5, 11, 29, 47, 55, 145, 235, 257, 319, 517, 1285, 1363, 1595, 2585, 2827, 6815, 7453, 12079, 14135, 14993, 37265, 60395, 74965, 81983, 132869, 350291, 409915, 664345, 1751455, 3853201, 19266005]

約数ペア:

[(1, 19266005), (5, 3853201), (11, 1751455), (29, 664345), (47, 409915), (55, 350291), (145, 132869), (235, 81983), (257, 74965), (319, 60395), (517, 37265), (1285, 14993), (1363, 14135), (1595, 12079), (2585, 7453), (2827, 6815)]