19823804

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4951}}^1$

素因数の和:4986

約数の個数: 48

約数和(自身を含む): 46588416

約数和(自身を除く): 26764612

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 4951, 9902, 19804, 34657, 54461, 64363, 69314, 108922, 128726, 138628, 217844, 257452, 381227, 450541, 707993, 762454, 901082, 1415986, 1524908, 1802164, 2831972, 4955951, 9911902, 19823804]

約数ペア:

[(1, 19823804), (2, 9911902), (4, 4955951), (7, 2831972), (11, 1802164), (13, 1524908), (14, 1415986), (22, 901082), (26, 762454), (28, 707993), (44, 450541), (52, 381227), (77, 257452), (91, 217844), (143, 138628), (154, 128726), (182, 108922), (286, 69314), (308, 64363), (364, 54461), (572, 34657), (1001, 19804), (2002, 9902), (4004, 4951)]