19337020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 42835968

約数和(自身を除く): 23498948

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 127, 230, 254, 331, 460, 508, 635, 662, 1270, 1324, 1655, 2540, 2921, 3310, 5842, 6620, 7613, 11684, 14605, 15226, 29210, 30452, 38065, 42037, 58420, 76130, 84074, 152260, 168148, 210185, 420370, 840740, 966851, 1933702, 3867404, 4834255, 9668510, 19337020]

約数ペア:

[(1, 19337020), (2, 9668510), (4, 4834255), (5, 3867404), (10, 1933702), (20, 966851), (23, 840740), (46, 420370), (92, 210185), (115, 168148), (127, 152260), (230, 84074), (254, 76130), (331, 58420), (460, 42037), (508, 38065), (635, 30452), (662, 29210), (1270, 15226), (1324, 14605), (1655, 11684), (2540, 7613), (2921, 6620), (3310, 5842)]