19945416

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^2\times {\mathrm{1571}}^1$

素因数の和:1626

約数の個数: 48

約数和(自身を含む): 52158960

約数和(自身を除く): 32213544

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 184, 276, 529, 552, 1058, 1571, 1587, 2116, 3142, 3174, 4232, 4713, 6284, 6348, 9426, 12568, 12696, 18852, 36133, 37704, 72266, 108399, 144532, 216798, 289064, 433596, 831059, 867192, 1662118, 2493177, 3324236, 4986354, 6648472, 9972708, 19945416]

約数ペア:

[(1, 19945416), (2, 9972708), (3, 6648472), (4, 4986354), (6, 3324236), (8, 2493177), (12, 1662118), (23, 867192), (24, 831059), (46, 433596), (69, 289064), (92, 216798), (138, 144532), (184, 108399), (276, 72266), (529, 37704), (552, 36133), (1058, 18852), (1571, 12696), (1587, 12568), (2116, 9426), (3142, 6348), (3174, 6284), (4232, 4713)]