2019961808

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{48131}}^1$

素因数の和:48243

約数の個数: 40

約数和(自身を含む): 4070426976

約数和(自身を除く): 2050465168

約数列:

[1, 2, 4, 8, 16, 43, 61, 86, 122, 172, 244, 344, 488, 688, 976, 2623, 5246, 10492, 20984, 41968, 48131, 96262, 192524, 385048, 770096, 2069633, 2935991, 4139266, 5871982, 8278532, 11743964, 16557064, 23487928, 33114128, 46975856, 126247613, 252495226, 504990452, 1009980904, 2019961808]

約数ペア:

[(1, 2019961808), (2, 1009980904), (4, 504990452), (8, 252495226), (16, 126247613), (43, 46975856), (61, 33114128), (86, 23487928), (122, 16557064), (172, 11743964), (244, 8278532), (344, 5871982), (488, 4139266), (688, 2935991), (976, 2069633), (2623, 770096), (5246, 385048), (10492, 192524), (20984, 96262), (41968, 48131)]