19740393

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{877}}^1$

素因数の和:985

約数の個数: 24

約数和(自身を含む): 29722056

約数和(自身を除く): 9981663

約数列:

[1, 3, 9, 41, 61, 123, 183, 369, 549, 877, 2501, 2631, 7503, 7893, 22509, 35957, 53497, 107871, 160491, 323613, 481473, 2193377, 6580131, 19740393]

約数ペア:

[(1, 19740393), (3, 6580131), (9, 2193377), (41, 481473), (61, 323613), (123, 160491), (183, 107871), (369, 53497), (549, 35957), (877, 22509), (2501, 7893), (2631, 7503)]