1938094990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{281291}}^1$

素因数の和:281364

約数の個数: 32

約数和(自身を含む): 3827821536

約数和(自身を除く): 1889726546

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 3445, 6890, 281291, 562582, 1406455, 2812910, 3656783, 7313566, 14908423, 18283915, 29816846, 36567830, 74542115, 149084230, 193809499, 387618998, 969047495, 1938094990]

約数ペア:

[(1, 1938094990), (2, 969047495), (5, 387618998), (10, 193809499), (13, 149084230), (26, 74542115), (53, 36567830), (65, 29816846), (106, 18283915), (130, 14908423), (265, 7313566), (530, 3656783), (689, 2812910), (1378, 1406455), (3445, 562582), (6890, 281291)]