19271516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 38949120

約数和(自身を除く): 19677604

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 137, 139, 253, 274, 278, 506, 548, 556, 1012, 1507, 1529, 3014, 3058, 3151, 3197, 6028, 6116, 6302, 6394, 12604, 12788, 19043, 34661, 35167, 38086, 69322, 70334, 76172, 138644, 140668, 209473, 418946, 437989, 837892, 875978, 1751956, 4817879, 9635758, 19271516]

約数ペア:

[(1, 19271516), (2, 9635758), (4, 4817879), (11, 1751956), (22, 875978), (23, 837892), (44, 437989), (46, 418946), (92, 209473), (137, 140668), (139, 138644), (253, 76172), (274, 70334), (278, 69322), (506, 38086), (548, 35167), (556, 34661), (1012, 19043), (1507, 12788), (1529, 12604), (3014, 6394), (3058, 6302), (3151, 6116), (3197, 6028)]