19618781132

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{261013}}^1$

素因数の和:261102

約数の個数: 48

約数和(自身を含む): 38588309760

約数和(自身を除く): 18969528628

約数列:

[1, 2, 4, 19, 23, 38, 43, 46, 76, 86, 92, 172, 437, 817, 874, 989, 1634, 1748, 1978, 3268, 3956, 18791, 37582, 75164, 261013, 522026, 1044052, 4959247, 6003299, 9918494, 11223559, 12006598, 19836988, 22447118, 24013196, 44894236, 114062681, 213247621, 228125362, 258141857, 426495242, 456250724, 516283714, 852990484, 1032567428, 4904695283, 9809390566, 19618781132]

約数ペア:

[(1, 19618781132), (2, 9809390566), (4, 4904695283), (19, 1032567428), (23, 852990484), (38, 516283714), (43, 456250724), (46, 426495242), (76, 258141857), (86, 228125362), (92, 213247621), (172, 114062681), (437, 44894236), (817, 24013196), (874, 22447118), (989, 19836988), (1634, 12006598), (1748, 11223559), (1978, 9918494), (3268, 6003299), (3956, 4959247), (18791, 1044052), (37582, 522026), (75164, 261013)]