18953368

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{463}}^1$

素因数の和:536

約数の個数: 64

約数和(自身を含む): 44098560

約数和(自身を除く): 25145192

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 43, 56, 68, 86, 119, 136, 172, 238, 301, 344, 463, 476, 602, 731, 926, 952, 1204, 1462, 1852, 2408, 2924, 3241, 3704, 5117, 5848, 6482, 7871, 10234, 12964, 15742, 19909, 20468, 25928, 31484, 39818, 40936, 55097, 62968, 79636, 110194, 139363, 159272, 220388, 278726, 338453, 440776, 557452, 676906, 1114904, 1353812, 2369171, 2707624, 4738342, 9476684, 18953368]

約数ペア:

[(1, 18953368), (2, 9476684), (4, 4738342), (7, 2707624), (8, 2369171), (14, 1353812), (17, 1114904), (28, 676906), (34, 557452), (43, 440776), (56, 338453), (68, 278726), (86, 220388), (119, 159272), (136, 139363), (172, 110194), (238, 79636), (301, 62968), (344, 55097), (463, 40936), (476, 39818), (602, 31484), (731, 25928), (926, 20468), (952, 19909), (1204, 15742), (1462, 12964), (1852, 10234), (2408, 7871), (2924, 6482), (3241, 5848), (3704, 5117)]