1888921385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{6679}}^1$

素因数の和:6945

約数の個数: 32

約数和(自身を含む): 2581152000

約数和(自身を除く): 692230615

約数列:

[1, 5, 13, 19, 65, 95, 229, 247, 1145, 1235, 2977, 4351, 6679, 14885, 21755, 33395, 56563, 86827, 126901, 282815, 434135, 634505, 1529491, 1649713, 7647455, 8248565, 19883383, 29060329, 99416915, 145301645, 377784277, 1888921385]

約数ペア:

[(1, 1888921385), (5, 377784277), (13, 145301645), (19, 99416915), (65, 29060329), (95, 19883383), (229, 8248565), (247, 7647455), (1145, 1649713), (1235, 1529491), (2977, 634505), (4351, 434135), (6679, 282815), (14885, 126901), (21755, 86827), (33395, 56563)]