8191964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 16934400

約数和(自身を除く): 8742436

約数列:

[1, 2, 4, 11, 19, 22, 38, 41, 44, 76, 82, 164, 209, 239, 418, 451, 478, 779, 836, 902, 956, 1558, 1804, 2629, 3116, 4541, 5258, 8569, 9082, 9799, 10516, 17138, 18164, 19598, 34276, 39196, 49951, 99902, 107789, 186181, 199804, 215578, 372362, 431156, 744724, 2047991, 4095982, 8191964]

約数ペア:

[(1, 8191964), (2, 4095982), (4, 2047991), (11, 744724), (19, 431156), (22, 372362), (38, 215578), (41, 199804), (44, 186181), (76, 107789), (82, 99902), (164, 49951), (209, 39196), (239, 34276), (418, 19598), (451, 18164), (478, 17138), (779, 10516), (836, 9799), (902, 9082), (956, 8569), (1558, 5258), (1804, 4541), (2629, 3116)]