19718817536

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{162847}}^1$

素因数の和:162917

約数の個数: 72

約数和(自身を含む): 43937693184

約数和(自身を除く): 24218875648

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 43, 44, 64, 86, 88, 128, 172, 176, 256, 344, 352, 473, 688, 704, 946, 1376, 1408, 1892, 2752, 2816, 3784, 5504, 7568, 11008, 15136, 30272, 60544, 121088, 162847, 325694, 651388, 1302776, 1791317, 2605552, 3582634, 5211104, 7002421, 7165268, 10422208, 14004842, 14330536, 20844416, 28009684, 28661072, 41688832, 56019368, 57322144, 77026631, 112038736, 114644288, 154053262, 224077472, 229288576, 308106524, 448154944, 458577152, 616213048, 896309888, 1232426096, 1792619776, 2464852192, 4929704384, 9859408768, 19718817536]

約数ペア:

[(1, 19718817536), (2, 9859408768), (4, 4929704384), (8, 2464852192), (11, 1792619776), (16, 1232426096), (22, 896309888), (32, 616213048), (43, 458577152), (44, 448154944), (64, 308106524), (86, 229288576), (88, 224077472), (128, 154053262), (172, 114644288), (176, 112038736), (256, 77026631), (344, 57322144), (352, 56019368), (473, 41688832), (688, 28661072), (704, 28009684), (946, 20844416), (1376, 14330536), (1408, 14004842), (1892, 10422208), (2752, 7165268), (2816, 7002421), (3784, 5211104), (5504, 3582634), (7568, 2605552), (11008, 1791317), (15136, 1302776), (30272, 651388), (60544, 325694), (121088, 162847)]