18582380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{619}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 41664000

約数和(自身を除く): 23081620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 619, 790, 1238, 1501, 1580, 2476, 3002, 3095, 6004, 6190, 7505, 11761, 12380, 15010, 23522, 30020, 47044, 48901, 58805, 97802, 117610, 195604, 235220, 244505, 489010, 929119, 978020, 1858238, 3716476, 4645595, 9291190, 18582380]

約数ペア:

[(1, 18582380), (2, 9291190), (4, 4645595), (5, 3716476), (10, 1858238), (19, 978020), (20, 929119), (38, 489010), (76, 244505), (79, 235220), (95, 195604), (158, 117610), (190, 97802), (316, 58805), (380, 48901), (395, 47044), (619, 30020), (790, 23522), (1238, 15010), (1501, 12380), (1580, 11761), (2476, 7505), (3002, 6190), (3095, 6004)]