17821804

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4451}}^1$

素因数の和:4486

約数の個数: 48

約数和(自身を含む): 41884416

約数和(自身を除く): 24062612

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, 4451, 8902, 17804, 31157, 48961, 57863, 62314, 97922, 115726, 124628, 195844, 231452, 342727, 405041, 636493, 685454, 810082, 1272986, 1370908, 1620164, 2545972, 4455451, 8910902, 17821804]

約数ペア:

[(1, 17821804), (2, 8910902), (4, 4455451), (7, 2545972), (11, 1620164), (13, 1370908), (14, 1272986), (22, 810082), (26, 685454), (28, 636493), (44, 405041), (52, 342727), (77, 231452), (91, 195844), (143, 124628), (154, 115726), (182, 97922), (286, 62314), (308, 57863), (364, 48961), (572, 31157), (1001, 17804), (2002, 8902), (4004, 4451)]