18748818

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{179}}^1$

素因数の和:244

約数の個数: 72

約数和(自身を含む): 46584720

約数和(自身を除く): 27835902

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 23, 33, 46, 66, 69, 99, 138, 179, 198, 207, 253, 358, 414, 506, 529, 537, 759, 1058, 1074, 1518, 1587, 1611, 1969, 2277, 3174, 3222, 3938, 4117, 4554, 4761, 5819, 5907, 8234, 9522, 11638, 11814, 12351, 17457, 17721, 24702, 34914, 35442, 37053, 45287, 52371, 74106, 90574, 94691, 104742, 135861, 189382, 271722, 284073, 407583, 568146, 815166, 852219, 1041601, 1704438, 2083202, 3124803, 6249606, 9374409, 18748818]

約数ペア:

[(1, 18748818), (2, 9374409), (3, 6249606), (6, 3124803), (9, 2083202), (11, 1704438), (18, 1041601), (22, 852219), (23, 815166), (33, 568146), (46, 407583), (66, 284073), (69, 271722), (99, 189382), (138, 135861), (179, 104742), (198, 94691), (207, 90574), (253, 74106), (358, 52371), (414, 45287), (506, 37053), (529, 35442), (537, 34914), (759, 24702), (1058, 17721), (1074, 17457), (1518, 12351), (1587, 11814), (1611, 11638), (1969, 9522), (2277, 8234), (3174, 5907), (3222, 5819), (3938, 4761), (4117, 4554)]