19842787030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{180388973}}^1$

素因数の和:180388991

約数の個数: 16

約数和(自身を含む): 38964018384

約数和(自身を除く): 19121231354

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 180388973, 360777946, 901944865, 1803889730, 1984278703, 3968557406, 9921393515, 19842787030]

約数ペア:

[(1, 19842787030), (2, 9921393515), (5, 3968557406), (10, 1984278703), (11, 1803889730), (22, 901944865), (55, 360777946), (110, 180388973)]