18707121118

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{346441}}^1$

素因数の和:346505

約数の個数: 48

約数和(自身を含む): 35544949200

約数和(自身を除く): 16837828082

約数列:

[1, 2, 7, 14, 19, 29, 38, 49, 58, 98, 133, 203, 266, 406, 551, 931, 1102, 1421, 1862, 2842, 3857, 7714, 26999, 53998, 346441, 692882, 2425087, 4850174, 6582379, 10046789, 13164758, 16975609, 20093578, 33951218, 46076653, 70327523, 92153306, 140655046, 190888991, 322536571, 381777982, 492292661, 645073142, 984585322, 1336222937, 2672445874, 9353560559, 18707121118]

約数ペア:

[(1, 18707121118), (2, 9353560559), (7, 2672445874), (14, 1336222937), (19, 984585322), (29, 645073142), (38, 492292661), (49, 381777982), (58, 322536571), (98, 190888991), (133, 140655046), (203, 92153306), (266, 70327523), (406, 46076653), (551, 33951218), (931, 20093578), (1102, 16975609), (1421, 13164758), (1862, 10046789), (2842, 6582379), (3857, 4850174), (7714, 2425087), (26999, 692882), (53998, 346441)]