19873472

素因数分解:

$2^6\times {\mathrm{23}}^2\times {\mathrm{587}}^1$

素因数の和:645

約数の個数: 42

約数和(自身を含む): 41295828

約数和(自身を除く): 21422356

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 184, 368, 529, 587, 736, 1058, 1174, 1472, 2116, 2348, 4232, 4696, 8464, 9392, 13501, 16928, 18784, 27002, 33856, 37568, 54004, 108008, 216016, 310523, 432032, 621046, 864064, 1242092, 2484184, 4968368, 9936736, 19873472]

約数ペア:

[(1, 19873472), (2, 9936736), (4, 4968368), (8, 2484184), (16, 1242092), (23, 864064), (32, 621046), (46, 432032), (64, 310523), (92, 216016), (184, 108008), (368, 54004), (529, 37568), (587, 33856), (736, 27002), (1058, 18784), (1174, 16928), (1472, 13501), (2116, 9392), (2348, 8464), (4232, 4696)]