18770595844

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4687961}}^1$

素因数の和:4687996

約数の個数: 48

約数和(自身を含む): 44104346496

約数和(自身を除く): 25333750652

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, 4687961, 9375922, 18751844, 32815727, 51567571, 60943493, 65631454, 103135142, 121886986, 131262908, 206270284, 243773972, 360972997, 426604451, 670378423, 721945994, 853208902, 1340756846, 1443891988, 1706417804, 2681513692, 4692648961, 9385297922, 18770595844]

約数ペア:

[(1, 18770595844), (2, 9385297922), (4, 4692648961), (7, 2681513692), (11, 1706417804), (13, 1443891988), (14, 1340756846), (22, 853208902), (26, 721945994), (28, 670378423), (44, 426604451), (52, 360972997), (77, 243773972), (91, 206270284), (143, 131262908), (154, 121886986), (182, 103135142), (286, 65631454), (308, 60943493), (364, 51567571), (572, 32815727), (1001, 18751844), (2002, 9375922), (4004, 4687961)]