19400865

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{383}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 34062336

約数和(自身を除く): 14661471

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 307, 383, 921, 1149, 1535, 1915, 3377, 4213, 4605, 5745, 10131, 12639, 16885, 21065, 50655, 63195, 117581, 352743, 587905, 1293391, 1763715, 3880173, 6466955, 19400865]

約数ペア:

[(1, 19400865), (3, 6466955), (5, 3880173), (11, 1763715), (15, 1293391), (33, 587905), (55, 352743), (165, 117581), (307, 63195), (383, 50655), (921, 21065), (1149, 16885), (1535, 12639), (1915, 10131), (3377, 5745), (4213, 4605)]