18220428

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{13679}}^1$

素因数の和:13726

約数の個数: 36

約数和(自身を含む): 47305440

約数和(自身を除く): 29085012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 1332, 13679, 27358, 41037, 54716, 82074, 123111, 164148, 246222, 492444, 506123, 1012246, 1518369, 2024492, 3036738, 4555107, 6073476, 9110214, 18220428]

約数ペア:

[(1, 18220428), (2, 9110214), (3, 6073476), (4, 4555107), (6, 3036738), (9, 2024492), (12, 1518369), (18, 1012246), (36, 506123), (37, 492444), (74, 246222), (111, 164148), (148, 123111), (222, 82074), (333, 54716), (444, 41037), (666, 27358), (1332, 13679)]