19771938

素因数分解:

$2^1\times 3^6\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:282

約数の個数: 56

約数和(自身を含む): 45328896

約数和(自身を除く): 25556958

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 162, 191, 213, 243, 382, 426, 486, 573, 639, 729, 1146, 1278, 1458, 1719, 1917, 3438, 3834, 5157, 5751, 10314, 11502, 13561, 15471, 17253, 27122, 30942, 34506, 40683, 46413, 51759, 81366, 92826, 103518, 122049, 139239, 244098, 278478, 366147, 732294, 1098441, 2196882, 3295323, 6590646, 9885969, 19771938]

約数ペア:

[(1, 19771938), (2, 9885969), (3, 6590646), (6, 3295323), (9, 2196882), (18, 1098441), (27, 732294), (54, 366147), (71, 278478), (81, 244098), (142, 139239), (162, 122049), (191, 103518), (213, 92826), (243, 81366), (382, 51759), (426, 46413), (486, 40683), (573, 34506), (639, 30942), (729, 27122), (1146, 17253), (1278, 15471), (1458, 13561), (1719, 11502), (1917, 10314), (3438, 5751), (3834, 5157)]