18503960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20113}}^1$

素因数の和:20147

約数の個数: 32

約数和(自身を含む): 43446240

約数和(自身を除く): 24942280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 20113, 40226, 80452, 100565, 160904, 201130, 402260, 462599, 804520, 925198, 1850396, 2312995, 3700792, 4625990, 9251980, 18503960]

約数ペア:

[(1, 18503960), (2, 9251980), (4, 4625990), (5, 3700792), (8, 2312995), (10, 1850396), (20, 925198), (23, 804520), (40, 462599), (46, 402260), (92, 201130), (115, 160904), (184, 100565), (230, 80452), (460, 40226), (920, 20113)]