18780408

素因数分解:

$2^3\times 3^2\times {\mathrm{59}}^1\times {\mathrm{4421}}^1$

素因数の和:4492

約数の個数: 48

約数和(自身を含む): 51737400

約数和(自身を除く): 32956992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 59, 72, 118, 177, 236, 354, 472, 531, 708, 1062, 1416, 2124, 4248, 4421, 8842, 13263, 17684, 26526, 35368, 39789, 53052, 79578, 106104, 159156, 260839, 318312, 521678, 782517, 1043356, 1565034, 2086712, 2347551, 3130068, 4695102, 6260136, 9390204, 18780408]

約数ペア:

[(1, 18780408), (2, 9390204), (3, 6260136), (4, 4695102), (6, 3130068), (8, 2347551), (9, 2086712), (12, 1565034), (18, 1043356), (24, 782517), (36, 521678), (59, 318312), (72, 260839), (118, 159156), (177, 106104), (236, 79578), (354, 53052), (472, 39789), (531, 35368), (708, 26526), (1062, 17684), (1416, 13263), (2124, 8842), (4248, 4421)]