18696015

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:150

約数の個数: 80

約数和(自身を含む): 37322208

約数和(自身を除く): 18626193

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 53, 65, 67, 81, 117, 135, 159, 195, 201, 265, 335, 351, 405, 477, 585, 603, 689, 795, 871, 1005, 1053, 1431, 1755, 1809, 2067, 2385, 2613, 3015, 3445, 3551, 4293, 4355, 5265, 5427, 6201, 7155, 7839, 9045, 10335, 10653, 13065, 17755, 18603, 21465, 23517, 27135, 31005, 31959, 39195, 46163, 53265, 55809, 70551, 93015, 95877, 117585, 138489, 159795, 230815, 279045, 287631, 352755, 415467, 479385, 692445, 1246401, 1438155, 2077335, 3739203, 6232005, 18696015]

約数ペア:

[(1, 18696015), (3, 6232005), (5, 3739203), (9, 2077335), (13, 1438155), (15, 1246401), (27, 692445), (39, 479385), (45, 415467), (53, 352755), (65, 287631), (67, 279045), (81, 230815), (117, 159795), (135, 138489), (159, 117585), (195, 95877), (201, 93015), (265, 70551), (335, 55809), (351, 53265), (405, 46163), (477, 39195), (585, 31959), (603, 31005), (689, 27135), (795, 23517), (871, 21465), (1005, 18603), (1053, 17755), (1431, 13065), (1755, 10653), (1809, 10335), (2067, 9045), (2385, 7839), (2613, 7155), (3015, 6201), (3445, 5427), (3551, 5265), (4293, 4355)]