19418608

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5807}}^1$

素因数の和:5845

約数の個数: 40

約数和(自身を含む): 43211520

約数和(自身を除く): 23792912

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 5807, 11614, 23228, 46456, 63877, 92912, 110333, 127754, 220666, 255508, 441332, 511016, 882664, 1022032, 1213663, 1765328, 2427326, 4854652, 9709304, 19418608]

約数ペア:

[(1, 19418608), (2, 9709304), (4, 4854652), (8, 2427326), (11, 1765328), (16, 1213663), (19, 1022032), (22, 882664), (38, 511016), (44, 441332), (76, 255508), (88, 220666), (152, 127754), (176, 110333), (209, 92912), (304, 63877), (418, 46456), (836, 23228), (1672, 11614), (3344, 5807)]