19320620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1657}}^1$

素因数の和:1730

約数の個数: 48

約数和(自身を含む): 45124128

約数和(自身を除く): 25803508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 212, 220, 265, 530, 583, 1060, 1166, 1657, 2332, 2915, 3314, 5830, 6628, 8285, 11660, 16570, 18227, 33140, 36454, 72908, 87821, 91135, 175642, 182270, 351284, 364540, 439105, 878210, 966031, 1756420, 1932062, 3864124, 4830155, 9660310, 19320620]

約数ペア:

[(1, 19320620), (2, 9660310), (4, 4830155), (5, 3864124), (10, 1932062), (11, 1756420), (20, 966031), (22, 878210), (44, 439105), (53, 364540), (55, 351284), (106, 182270), (110, 175642), (212, 91135), (220, 87821), (265, 72908), (530, 36454), (583, 33140), (1060, 18227), (1166, 16570), (1657, 11660), (2332, 8285), (2915, 6628), (3314, 5830)]