19936070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1523}}^1$

素因数の和:1565

約数の個数: 64

約数和(自身を含む): 47402496

約数和(自身を除く): 27466426

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 34, 35, 55, 70, 77, 85, 110, 119, 154, 170, 187, 238, 374, 385, 595, 770, 935, 1190, 1309, 1523, 1870, 2618, 3046, 6545, 7615, 10661, 13090, 15230, 16753, 21322, 25891, 33506, 51782, 53305, 83765, 106610, 117271, 129455, 167530, 181237, 234542, 258910, 284801, 362474, 569602, 586355, 906185, 1172710, 1424005, 1812370, 1993607, 2848010, 3987214, 9968035, 19936070]

約数ペア:

[(1, 19936070), (2, 9968035), (5, 3987214), (7, 2848010), (10, 1993607), (11, 1812370), (14, 1424005), (17, 1172710), (22, 906185), (34, 586355), (35, 569602), (55, 362474), (70, 284801), (77, 258910), (85, 234542), (110, 181237), (119, 167530), (154, 129455), (170, 117271), (187, 106610), (238, 83765), (374, 53305), (385, 51782), (595, 33506), (770, 25891), (935, 21322), (1190, 16753), (1309, 15230), (1523, 13090), (1870, 10661), (2618, 7615), (3046, 6545)]