18212818180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{542371}}^1$

素因数の和:542476

約数の個数: 48

約数和(自身を含む): 40456612224

約数和(自身を除く): 22243794044

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 73, 92, 115, 146, 230, 292, 365, 460, 730, 1460, 1679, 3358, 6716, 8395, 16790, 33580, 542371, 1084742, 2169484, 2711855, 5423710, 10847420, 12474533, 24949066, 39593083, 49898132, 62372665, 79186166, 124745330, 158372332, 197965415, 249490660, 395930830, 791861660, 910640909, 1821281818, 3642563636, 4553204545, 9106409090, 18212818180]

約数ペア:

[(1, 18212818180), (2, 9106409090), (4, 4553204545), (5, 3642563636), (10, 1821281818), (20, 910640909), (23, 791861660), (46, 395930830), (73, 249490660), (92, 197965415), (115, 158372332), (146, 124745330), (230, 79186166), (292, 62372665), (365, 49898132), (460, 39593083), (730, 24949066), (1460, 12474533), (1679, 10847420), (3358, 5423710), (6716, 2711855), (8395, 2169484), (16790, 1084742), (33580, 542371)]