1640987554

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{419261}}^1$

素因数の和:419385

約数の個数: 16

約数和(自身を含む): 2616194880

約数和(自身を除く): 975207326

約数列:

[1, 2, 19, 38, 103, 206, 1957, 3914, 419261, 838522, 7965959, 15931918, 43183883, 86367766, 820493777, 1640987554]

約数ペア:

[(1, 1640987554), (2, 820493777), (19, 86367766), (38, 43183883), (103, 15931918), (206, 7965959), (1957, 838522), (3914, 419261)]