2018086520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{15349}}^1$

素因数の和:15552

約数の個数: 64

約数和(自身を含む): 4807620000

約数和(自身を除く): 2789533480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 173, 190, 346, 380, 692, 760, 865, 1384, 1730, 3287, 3460, 6574, 6920, 13148, 15349, 16435, 26296, 30698, 32870, 61396, 65740, 76745, 122792, 131480, 153490, 291631, 306980, 583262, 613960, 1166524, 1458155, 2333048, 2655377, 2916310, 5310754, 5832620, 10621508, 11665240, 13276885, 21243016, 26553770, 50452163, 53107540, 100904326, 106215080, 201808652, 252260815, 403617304, 504521630, 1009043260, 2018086520]

約数ペア:

[(1, 2018086520), (2, 1009043260), (4, 504521630), (5, 403617304), (8, 252260815), (10, 201808652), (19, 106215080), (20, 100904326), (38, 53107540), (40, 50452163), (76, 26553770), (95, 21243016), (152, 13276885), (173, 11665240), (190, 10621508), (346, 5832620), (380, 5310754), (692, 2916310), (760, 2655377), (865, 2333048), (1384, 1458155), (1730, 1166524), (3287, 613960), (3460, 583262), (6574, 306980), (6920, 291631), (13148, 153490), (15349, 131480), (16435, 122792), (26296, 76745), (30698, 65740), (32870, 61396)]