17909220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{42641}}^1$

素因数の和:42660

約数の個数: 48

約数和(自身を含む): 57310848

約数和(自身を除く): 39401628

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 42641, 85282, 127923, 170564, 213205, 255846, 298487, 426410, 511692, 596974, 639615, 852820, 895461, 1193948, 1279230, 1492435, 1790922, 2558460, 2984870, 3581844, 4477305, 5969740, 8954610, 17909220]

約数ペア:

[(1, 17909220), (2, 8954610), (3, 5969740), (4, 4477305), (5, 3581844), (6, 2984870), (7, 2558460), (10, 1790922), (12, 1492435), (14, 1279230), (15, 1193948), (20, 895461), (21, 852820), (28, 639615), (30, 596974), (35, 511692), (42, 426410), (60, 298487), (70, 255846), (84, 213205), (105, 170564), (140, 127923), (210, 85282), (420, 42641)]