19611328

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:425

約数の個数: 56

約数和(自身を含む): 43068240

約数和(自身を除く): 23456912

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 89, 176, 178, 313, 352, 356, 626, 704, 712, 979, 1252, 1424, 1958, 2504, 2848, 3443, 3916, 5008, 5696, 6886, 7832, 10016, 13772, 15664, 20032, 27544, 27857, 31328, 55088, 55714, 62656, 110176, 111428, 220352, 222856, 306427, 445712, 612854, 891424, 1225708, 1782848, 2451416, 4902832, 9805664, 19611328]

約数ペア:

[(1, 19611328), (2, 9805664), (4, 4902832), (8, 2451416), (11, 1782848), (16, 1225708), (22, 891424), (32, 612854), (44, 445712), (64, 306427), (88, 222856), (89, 220352), (176, 111428), (178, 110176), (313, 62656), (352, 55714), (356, 55088), (626, 31328), (704, 27857), (712, 27544), (979, 20032), (1252, 15664), (1424, 13772), (1958, 10016), (2504, 7832), (2848, 6886), (3443, 5696), (3916, 5008)]