19488524

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 38810016

約数和(自身を除く): 19321492

約数列:

[1, 2, 4, 11, 22, 44, 53, 61, 106, 122, 137, 212, 244, 274, 548, 583, 671, 1166, 1342, 1507, 2332, 2684, 3014, 3233, 6028, 6466, 7261, 8357, 12932, 14522, 16714, 29044, 33428, 35563, 71126, 79871, 91927, 142252, 159742, 183854, 319484, 367708, 442921, 885842, 1771684, 4872131, 9744262, 19488524]

約数ペア:

[(1, 19488524), (2, 9744262), (4, 4872131), (11, 1771684), (22, 885842), (44, 442921), (53, 367708), (61, 319484), (106, 183854), (122, 159742), (137, 142252), (212, 91927), (244, 79871), (274, 71126), (548, 35563), (583, 33428), (671, 29044), (1166, 16714), (1342, 14522), (1507, 12932), (2332, 8357), (2684, 7261), (3014, 6466), (3233, 6028)]