19017136

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1667}}^1$

素因数の和:1729

約数の個数: 40

約数和(自身を含む): 39711744

約数和(自身を除く): 20694608

約数列:

[1, 2, 4, 8, 16, 23, 31, 46, 62, 92, 124, 184, 248, 368, 496, 713, 1426, 1667, 2852, 3334, 5704, 6668, 11408, 13336, 26672, 38341, 51677, 76682, 103354, 153364, 206708, 306728, 413416, 613456, 826832, 1188571, 2377142, 4754284, 9508568, 19017136]

約数ペア:

[(1, 19017136), (2, 9508568), (4, 4754284), (8, 2377142), (16, 1188571), (23, 826832), (31, 613456), (46, 413416), (62, 306728), (92, 206708), (124, 153364), (184, 103354), (248, 76682), (368, 51677), (496, 38341), (713, 26672), (1426, 13336), (1667, 11408), (2852, 6668), (3334, 5704)]