18590360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1$

素因数の和:492

約数の個数: 64

約数和(自身を含む): 44863200

約数和(自身を除く): 26272840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 95, 122, 152, 190, 244, 305, 380, 401, 488, 610, 760, 802, 1159, 1220, 1604, 2005, 2318, 2440, 3208, 4010, 4636, 5795, 7619, 8020, 9272, 11590, 15238, 16040, 23180, 24461, 30476, 38095, 46360, 48922, 60952, 76190, 97844, 122305, 152380, 195688, 244610, 304760, 464759, 489220, 929518, 978440, 1859036, 2323795, 3718072, 4647590, 9295180, 18590360]

約数ペア:

[(1, 18590360), (2, 9295180), (4, 4647590), (5, 3718072), (8, 2323795), (10, 1859036), (19, 978440), (20, 929518), (38, 489220), (40, 464759), (61, 304760), (76, 244610), (95, 195688), (122, 152380), (152, 122305), (190, 97844), (244, 76190), (305, 60952), (380, 48922), (401, 46360), (488, 38095), (610, 30476), (760, 24461), (802, 23180), (1159, 16040), (1220, 15238), (1604, 11590), (2005, 9272), (2318, 8020), (2440, 7619), (3208, 5795), (4010, 4636)]