19961808

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^2\times {\mathrm{1439}}^1$

素因数の和:1484

約数の個数: 60

約数和(自身を含む): 54817920

約数和(自身を除く): 34856112

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 289, 408, 578, 816, 867, 1156, 1439, 1734, 2312, 2878, 3468, 4317, 4624, 5756, 6936, 8634, 11512, 13872, 17268, 23024, 24463, 34536, 48926, 69072, 73389, 97852, 146778, 195704, 293556, 391408, 415871, 587112, 831742, 1174224, 1247613, 1663484, 2495226, 3326968, 4990452, 6653936, 9980904, 19961808]

約数ペア:

[(1, 19961808), (2, 9980904), (3, 6653936), (4, 4990452), (6, 3326968), (8, 2495226), (12, 1663484), (16, 1247613), (17, 1174224), (24, 831742), (34, 587112), (48, 415871), (51, 391408), (68, 293556), (102, 195704), (136, 146778), (204, 97852), (272, 73389), (289, 69072), (408, 48926), (578, 34536), (816, 24463), (867, 23024), (1156, 17268), (1439, 13872), (1734, 11512), (2312, 8634), (2878, 6936), (3468, 5756), (4317, 4624)]