17964196

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 35481600

約数和(自身を除く): 17517404

約数列:

[1, 2, 4, 19, 23, 38, 43, 46, 76, 86, 92, 172, 239, 437, 478, 817, 874, 956, 989, 1634, 1748, 1978, 3268, 3956, 4541, 5497, 9082, 10277, 10994, 18164, 18791, 20554, 21988, 37582, 41108, 75164, 104443, 195263, 208886, 236371, 390526, 417772, 472742, 781052, 945484, 4491049, 8982098, 17964196]

約数ペア:

[(1, 17964196), (2, 8982098), (4, 4491049), (19, 945484), (23, 781052), (38, 472742), (43, 417772), (46, 390526), (76, 236371), (86, 208886), (92, 195263), (172, 104443), (239, 75164), (437, 41108), (478, 37582), (817, 21988), (874, 20554), (956, 18791), (989, 18164), (1634, 10994), (1748, 10277), (1978, 9082), (3268, 5497), (3956, 4541)]