18361854

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2389}}^1$

素因数の和:2465

約数の個数: 48

約数和(自身を含む): 46232160

約数和(自身を除く): 27870306

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 61, 63, 122, 126, 183, 366, 427, 549, 854, 1098, 1281, 2389, 2562, 3843, 4778, 7167, 7686, 14334, 16723, 21501, 33446, 43002, 50169, 100338, 145729, 150507, 291458, 301014, 437187, 874374, 1020103, 1311561, 2040206, 2623122, 3060309, 6120618, 9180927, 18361854]

約数ペア:

[(1, 18361854), (2, 9180927), (3, 6120618), (6, 3060309), (7, 2623122), (9, 2040206), (14, 1311561), (18, 1020103), (21, 874374), (42, 437187), (61, 301014), (63, 291458), (122, 150507), (126, 145729), (183, 100338), (366, 50169), (427, 43002), (549, 33446), (854, 21501), (1098, 16723), (1281, 14334), (2389, 7686), (2562, 7167), (3843, 4778)]