19788030

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{883}}^1$

素因数の和:982

約数の個数: 64

約数和(自身を含む): 53464320

約数和(自身を除く): 33676290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 83, 90, 135, 166, 249, 270, 415, 498, 747, 830, 883, 1245, 1494, 1766, 2241, 2490, 2649, 3735, 4415, 4482, 5298, 7470, 7947, 8830, 11205, 13245, 15894, 22410, 23841, 26490, 39735, 47682, 73289, 79470, 119205, 146578, 219867, 238410, 366445, 439734, 659601, 732890, 1099335, 1319202, 1978803, 2198670, 3298005, 3957606, 6596010, 9894015, 19788030]

約数ペア:

[(1, 19788030), (2, 9894015), (3, 6596010), (5, 3957606), (6, 3298005), (9, 2198670), (10, 1978803), (15, 1319202), (18, 1099335), (27, 732890), (30, 659601), (45, 439734), (54, 366445), (83, 238410), (90, 219867), (135, 146578), (166, 119205), (249, 79470), (270, 73289), (415, 47682), (498, 39735), (747, 26490), (830, 23841), (883, 22410), (1245, 15894), (1494, 13245), (1766, 11205), (2241, 8830), (2490, 7947), (2649, 7470), (3735, 5298), (4415, 4482)]