19533870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1709}}^1$

素因数の和:1849

約数の個数: 48

約数和(自身を含む): 51217920

約数和(自身を除く): 31684050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 127, 254, 381, 635, 762, 1143, 1270, 1709, 1905, 2286, 3418, 3810, 5127, 5715, 8545, 10254, 11430, 15381, 17090, 25635, 30762, 51270, 76905, 153810, 217043, 434086, 651129, 1085215, 1302258, 1953387, 2170430, 3255645, 3906774, 6511290, 9766935, 19533870]

約数ペア:

[(1, 19533870), (2, 9766935), (3, 6511290), (5, 3906774), (6, 3255645), (9, 2170430), (10, 1953387), (15, 1302258), (18, 1085215), (30, 651129), (45, 434086), (90, 217043), (127, 153810), (254, 76905), (381, 51270), (635, 30762), (762, 25635), (1143, 17090), (1270, 15381), (1709, 11430), (1905, 10254), (2286, 8545), (3418, 5715), (3810, 5127)]