19954635568

素因数分解:

$2^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{367}}^1\times {\mathrm{5849}}^1$

素因数の和:6314

約数の個数: 80

約数和(自身を含む): 44847129600

約数和(自身を除く): 24892494032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 83, 112, 166, 332, 367, 581, 664, 734, 1162, 1328, 1468, 2324, 2569, 2936, 4648, 5138, 5849, 5872, 9296, 10276, 11698, 20552, 23396, 30461, 40943, 41104, 46792, 60922, 81886, 93584, 121844, 163772, 213227, 243688, 327544, 426454, 485467, 487376, 655088, 852908, 970934, 1705816, 1941868, 2146583, 3398269, 3411632, 3883736, 4293166, 6796538, 7767472, 8586332, 13593076, 15026081, 17172664, 27186152, 30052162, 34345328, 54372304, 60104324, 120208648, 178166389, 240417296, 356332778, 712665556, 1247164723, 1425331112, 2494329446, 2850662224, 4988658892, 9977317784, 19954635568]

約数ペア:

[(1, 19954635568), (2, 9977317784), (4, 4988658892), (7, 2850662224), (8, 2494329446), (14, 1425331112), (16, 1247164723), (28, 712665556), (56, 356332778), (83, 240417296), (112, 178166389), (166, 120208648), (332, 60104324), (367, 54372304), (581, 34345328), (664, 30052162), (734, 27186152), (1162, 17172664), (1328, 15026081), (1468, 13593076), (2324, 8586332), (2569, 7767472), (2936, 6796538), (4648, 4293166), (5138, 3883736), (5849, 3411632), (5872, 3398269), (9296, 2146583), (10276, 1941868), (11698, 1705816), (20552, 970934), (23396, 852908), (30461, 655088), (40943, 487376), (41104, 485467), (46792, 426454), (60922, 327544), (81886, 243688), (93584, 213227), (121844, 163772)]