18977808

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{20809}}^1$

素因数の和:20839

約数の個数: 40

約数和(自身を含む): 51608800

約数和(自身を除く): 32630992

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912, 20809, 41618, 62427, 83236, 124854, 166472, 249708, 332944, 395371, 499416, 790742, 998832, 1186113, 1581484, 2372226, 3162968, 4744452, 6325936, 9488904, 18977808]

約数ペア:

[(1, 18977808), (2, 9488904), (3, 6325936), (4, 4744452), (6, 3162968), (8, 2372226), (12, 1581484), (16, 1186113), (19, 998832), (24, 790742), (38, 499416), (48, 395371), (57, 332944), (76, 249708), (114, 166472), (152, 124854), (228, 83236), (304, 62427), (456, 41618), (912, 20809)]