18291245744

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{11251}}^1$

素因数の和:11458

約数の個数: 80

約数和(自身を含む): 38676274560

約数和(自身を除く): 20385028816

約数列:

[1, 2, 4, 8, 16, 17, 34, 43, 68, 86, 136, 139, 172, 272, 278, 344, 556, 688, 731, 1112, 1462, 2224, 2363, 2924, 4726, 5848, 5977, 9452, 11251, 11696, 11954, 18904, 22502, 23908, 37808, 45004, 47816, 90008, 95632, 101609, 180016, 191267, 203218, 382534, 406436, 483793, 765068, 812872, 967586, 1530136, 1563889, 1625744, 1935172, 3060272, 3127778, 3870344, 6255556, 7740688, 8224481, 12511112, 16448962, 25022224, 26586113, 32897924, 53172226, 65795848, 67247227, 106344452, 131591696, 134494454, 212688904, 268988908, 425377808, 537977816, 1075955632, 1143202859, 2286405718, 4572811436, 9145622872, 18291245744]

約数ペア:

[(1, 18291245744), (2, 9145622872), (4, 4572811436), (8, 2286405718), (16, 1143202859), (17, 1075955632), (34, 537977816), (43, 425377808), (68, 268988908), (86, 212688904), (136, 134494454), (139, 131591696), (172, 106344452), (272, 67247227), (278, 65795848), (344, 53172226), (556, 32897924), (688, 26586113), (731, 25022224), (1112, 16448962), (1462, 12511112), (2224, 8224481), (2363, 7740688), (2924, 6255556), (4726, 3870344), (5848, 3127778), (5977, 3060272), (9452, 1935172), (11251, 1625744), (11696, 1563889), (11954, 1530136), (18904, 967586), (22502, 812872), (23908, 765068), (37808, 483793), (45004, 406436), (47816, 382534), (90008, 203218), (95632, 191267), (101609, 180016)]