18944860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{86113}}^1$

素因数の和:86133

約数の個数: 24

約数和(自身を含む): 43401456

約数和(自身を除く): 24456596

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 86113, 172226, 344452, 430565, 861130, 947243, 1722260, 1894486, 3788972, 4736215, 9472430, 18944860]

約数ペア:

[(1, 18944860), (2, 9472430), (4, 4736215), (5, 3788972), (10, 1894486), (11, 1722260), (20, 947243), (22, 861130), (44, 430565), (55, 344452), (110, 172226), (220, 86113)]