19666064

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5881}}^1$

素因数の和:5919

約数の個数: 40

約数和(自身を含む): 43762080

約数和(自身を除く): 24096016

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 5881, 11762, 23524, 47048, 64691, 94096, 111739, 129382, 223478, 258764, 446956, 517528, 893912, 1035056, 1229129, 1787824, 2458258, 4916516, 9833032, 19666064]

約数ペア:

[(1, 19666064), (2, 9833032), (4, 4916516), (8, 2458258), (11, 1787824), (16, 1229129), (19, 1035056), (22, 893912), (38, 517528), (44, 446956), (76, 258764), (88, 223478), (152, 129382), (176, 111739), (209, 94096), (304, 64691), (418, 47048), (836, 23524), (1672, 11762), (3344, 5881)]