18103947

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{401}}^1$

素因数の和:654

約数の個数: 16

約数和(自身を含む): 24602400

約数和(自身を除く): 6498453

約数列:

[1, 3, 101, 149, 303, 401, 447, 1203, 15049, 40501, 45147, 59749, 121503, 179247, 6034649, 18103947]

約数ペア:

[(1, 18103947), (3, 6034649), (101, 179247), (149, 121503), (303, 59749), (401, 45147), (447, 40501), (1203, 15049)]