18881036152

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:677

約数の個数: 128

約数和(自身を含む): 40327372800

約数和(自身を除く): 21446336648

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 101, 127, 172, 202, 254, 344, 389, 404, 473, 508, 778, 808, 946, 1016, 1111, 1397, 1556, 1892, 2222, 2794, 3112, 3784, 4279, 4343, 4444, 5461, 5588, 8558, 8686, 8888, 10922, 11176, 12827, 16727, 17116, 17372, 21844, 25654, 33454, 34232, 34744, 39289, 43688, 47773, 49403, 51308, 60071, 66908, 78578, 95546, 98806, 102616, 120142, 133816, 141097, 157156, 183997, 191092, 197612, 240284, 282194, 314312, 367994, 382184, 395224, 432179, 480568, 543433, 551561, 564388, 735988, 864358, 1086866, 1103122, 1128776, 1471976, 1689427, 1728716, 2124329, 2173732, 2206244, 3378854, 3457432, 4248658, 4347464, 4412488, 4989703, 6067171, 6757708, 8497316, 9979406, 12134342, 13515416, 16994632, 18583697, 19958812, 23367619, 24268684, 37167394, 39917624, 46735238, 48537368, 54886733, 74334788, 93470476, 109773466, 148669576, 186940952, 214557229, 219546932, 429114458, 439093864, 858228916, 1716457832, 2360129519, 4720259038, 9440518076, 18881036152]

約数ペア:

[(1, 18881036152), (2, 9440518076), (4, 4720259038), (8, 2360129519), (11, 1716457832), (22, 858228916), (43, 439093864), (44, 429114458), (86, 219546932), (88, 214557229), (101, 186940952), (127, 148669576), (172, 109773466), (202, 93470476), (254, 74334788), (344, 54886733), (389, 48537368), (404, 46735238), (473, 39917624), (508, 37167394), (778, 24268684), (808, 23367619), (946, 19958812), (1016, 18583697), (1111, 16994632), (1397, 13515416), (1556, 12134342), (1892, 9979406), (2222, 8497316), (2794, 6757708), (3112, 6067171), (3784, 4989703), (4279, 4412488), (4343, 4347464), (4444, 4248658), (5461, 3457432), (5588, 3378854), (8558, 2206244), (8686, 2173732), (8888, 2124329), (10922, 1728716), (11176, 1689427), (12827, 1471976), (16727, 1128776), (17116, 1103122), (17372, 1086866), (21844, 864358), (25654, 735988), (33454, 564388), (34232, 551561), (34744, 543433), (39289, 480568), (43688, 432179), (47773, 395224), (49403, 382184), (51308, 367994), (60071, 314312), (66908, 282194), (78578, 240284), (95546, 197612), (98806, 191092), (102616, 183997), (120142, 157156), (133816, 141097)]