18500274

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{457}}^1$

素因数の和:651

約数の個数: 48

約数和(自身を含む): 43511832

約数和(自身を除く): 25011558

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 173, 234, 346, 457, 519, 914, 1038, 1371, 1557, 2249, 2742, 3114, 4113, 4498, 5941, 6747, 8226, 11882, 13494, 17823, 20241, 35646, 40482, 53469, 79061, 106938, 158122, 237183, 474366, 711549, 1027793, 1423098, 2055586, 3083379, 6166758, 9250137, 18500274]

約数ペア:

[(1, 18500274), (2, 9250137), (3, 6166758), (6, 3083379), (9, 2055586), (13, 1423098), (18, 1027793), (26, 711549), (39, 474366), (78, 237183), (117, 158122), (173, 106938), (234, 79061), (346, 53469), (457, 40482), (519, 35646), (914, 20241), (1038, 17823), (1371, 13494), (1557, 11882), (2249, 8226), (2742, 6747), (3114, 5941), (4113, 4498)]