18789830

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{30803}}^1$

素因数の和:30871

約数の個数: 16

約数和(自身を含む): 34377264

約数和(自身を除く): 15587434

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 30803, 61606, 154015, 308030, 1878983, 3757966, 9394915, 18789830]

約数ペア:

[(1, 18789830), (2, 9394915), (5, 3757966), (10, 1878983), (61, 308030), (122, 154015), (305, 61606), (610, 30803)]