18986142

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1801}}^1$

素因数の和:2064

約数の個数: 32

約数和(自身を含む): 43593984

約数和(自身を除く): 24607842

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 251, 502, 753, 1506, 1757, 1801, 3514, 3602, 5271, 5403, 10542, 10806, 12607, 25214, 37821, 75642, 452051, 904102, 1356153, 2712306, 3164357, 6328714, 9493071, 18986142]

約数ペア:

[(1, 18986142), (2, 9493071), (3, 6328714), (6, 3164357), (7, 2712306), (14, 1356153), (21, 904102), (42, 452051), (251, 75642), (502, 37821), (753, 25214), (1506, 12607), (1757, 10806), (1801, 10542), (3514, 5403), (3602, 5271)]