18147660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{15919}}^1$

素因数の和:15950

約数の個数: 48

約数和(自身を含む): 53491200

約数和(自身を除く): 35343540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 15919, 31838, 47757, 63676, 79595, 95514, 159190, 191028, 238785, 302461, 318380, 477570, 604922, 907383, 955140, 1209844, 1512305, 1814766, 3024610, 3629532, 4536915, 6049220, 9073830, 18147660]

約数ペア:

[(1, 18147660), (2, 9073830), (3, 6049220), (4, 4536915), (5, 3629532), (6, 3024610), (10, 1814766), (12, 1512305), (15, 1209844), (19, 955140), (20, 907383), (30, 604922), (38, 477570), (57, 318380), (60, 302461), (76, 238785), (95, 191028), (114, 159190), (190, 95514), (228, 79595), (285, 63676), (380, 47757), (570, 31838), (1140, 15919)]