19858122

素因数分解:

$2^1\times 3^4\times {\mathrm{37}}^1\times {\mathrm{3313}}^1$

素因数の和:3364

約数の個数: 40

約数和(自身を含む): 45713316

約数和(自身を除く): 25855194

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 81, 111, 162, 222, 333, 666, 999, 1998, 2997, 3313, 5994, 6626, 9939, 19878, 29817, 59634, 89451, 122581, 178902, 245162, 268353, 367743, 536706, 735486, 1103229, 2206458, 3309687, 6619374, 9929061, 19858122]

約数ペア:

[(1, 19858122), (2, 9929061), (3, 6619374), (6, 3309687), (9, 2206458), (18, 1103229), (27, 735486), (37, 536706), (54, 367743), (74, 268353), (81, 245162), (111, 178902), (162, 122581), (222, 89451), (333, 59634), (666, 29817), (999, 19878), (1998, 9939), (2997, 6626), (3313, 5994)]