19676880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{27329}}^1$

素因数の和:27348

約数の個数: 60

約数和(自身を含む): 66083940

約数和(自身を除く): 46407060

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 27329, 54658, 81987, 109316, 136645, 163974, 218632, 245961, 273290, 327948, 409935, 437264, 491922, 546580, 655896, 819870, 983844, 1093160, 1229805, 1311792, 1639740, 1967688, 2186320, 2459610, 3279480, 3935376, 4919220, 6558960, 9838440, 19676880]

約数ペア:

[(1, 19676880), (2, 9838440), (3, 6558960), (4, 4919220), (5, 3935376), (6, 3279480), (8, 2459610), (9, 2186320), (10, 1967688), (12, 1639740), (15, 1311792), (16, 1229805), (18, 1093160), (20, 983844), (24, 819870), (30, 655896), (36, 546580), (40, 491922), (45, 437264), (48, 409935), (60, 327948), (72, 273290), (80, 245961), (90, 218632), (120, 163974), (144, 136645), (180, 109316), (240, 81987), (360, 54658), (720, 27329)]