9818440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12919}}^1$

素因数の和:12949

約数の個数: 32

約数和(自身を含む): 23256000

約数和(自身を除く): 13437560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 12919, 25838, 51676, 64595, 103352, 129190, 245461, 258380, 490922, 516760, 981844, 1227305, 1963688, 2454610, 4909220, 9818440]

約数ペア:

[(1, 9818440), (2, 4909220), (4, 2454610), (5, 1963688), (8, 1227305), (10, 981844), (19, 516760), (20, 490922), (38, 258380), (40, 245461), (76, 129190), (95, 103352), (152, 64595), (190, 51676), (380, 25838), (760, 12919)]