18576940

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{15227}}^1$

素因数の和:15297

約数の個数: 24

約数和(自身を含む): 39653712

約数和(自身を除く): 21076772

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 15227, 30454, 60908, 76135, 152270, 304540, 928847, 1857694, 3715388, 4644235, 9288470, 18576940]

約数ペア:

[(1, 18576940), (2, 9288470), (4, 4644235), (5, 3715388), (10, 1857694), (20, 928847), (61, 304540), (122, 152270), (244, 76135), (305, 60908), (610, 30454), (1220, 15227)]