18674540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{15307}}^1$

素因数の和:15377

約数の個数: 24

約数和(自身を含む): 39862032

約数和(自身を除く): 21187492

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 15307, 30614, 61228, 76535, 153070, 306140, 933727, 1867454, 3734908, 4668635, 9337270, 18674540]

約数ペア:

[(1, 18674540), (2, 9337270), (4, 4668635), (5, 3734908), (10, 1867454), (20, 933727), (61, 306140), (122, 153070), (244, 76535), (305, 61228), (610, 30614), (1220, 15307)]