15531868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 31288320

約数和(自身を除く): 15756452

約数列:

[1, 2, 4, 11, 22, 31, 44, 59, 62, 118, 124, 193, 236, 341, 386, 649, 682, 772, 1298, 1364, 1829, 2123, 2596, 3658, 4246, 5983, 7316, 8492, 11387, 11966, 20119, 22774, 23932, 40238, 45548, 65813, 80476, 125257, 131626, 250514, 263252, 352997, 501028, 705994, 1411988, 3882967, 7765934, 15531868]

約数ペア:

[(1, 15531868), (2, 7765934), (4, 3882967), (11, 1411988), (22, 705994), (31, 501028), (44, 352997), (59, 263252), (62, 250514), (118, 131626), (124, 125257), (193, 80476), (236, 65813), (341, 45548), (386, 40238), (649, 23932), (682, 22774), (772, 20119), (1298, 11966), (1364, 11387), (1829, 8492), (2123, 7316), (2596, 5983), (3658, 4246)]