20199931928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12081299}}^1$

素因数の和:12081335

約数の個数: 32

約数和(自身を含む): 43492680000

約数和(自身を除く): 23292748072

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 12081299, 24162598, 48325196, 96650392, 132894289, 229544681, 265788578, 459089362, 531577156, 918178724, 1063154312, 1836357448, 2524991491, 5049982982, 10099965964, 20199931928]

約数ペア:

[(1, 20199931928), (2, 10099965964), (4, 5049982982), (8, 2524991491), (11, 1836357448), (19, 1063154312), (22, 918178724), (38, 531577156), (44, 459089362), (76, 265788578), (88, 229544681), (152, 132894289), (209, 96650392), (418, 48325196), (836, 24162598), (1672, 12081299)]