19619739

素因数分解:

$3^4\times {\mathrm{43}}^2\times {\mathrm{131}}^1$

素因数の和:229

約数の個数: 30

約数和(自身を含む): 30234996

約数和(自身を除く): 10615257

約数列:

[1, 3, 9, 27, 43, 81, 129, 131, 387, 393, 1161, 1179, 1849, 3483, 3537, 5547, 5633, 10611, 16641, 16899, 49923, 50697, 149769, 152091, 242219, 456273, 726657, 2179971, 6539913, 19619739]

約数ペア:

[(1, 19619739), (3, 6539913), (9, 2179971), (27, 726657), (43, 456273), (81, 242219), (129, 152091), (131, 149769), (387, 50697), (393, 49923), (1161, 16899), (1179, 16641), (1849, 10611), (3483, 5633), (3537, 5547)]