18970164

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 51367680

約数和(自身を除く): 32397516

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 139, 153, 204, 223, 278, 306, 417, 446, 556, 612, 669, 834, 892, 1251, 1338, 1668, 2007, 2363, 2502, 2676, 3791, 4014, 4726, 5004, 7089, 7582, 8028, 9452, 11373, 14178, 15164, 21267, 22746, 28356, 30997, 34119, 42534, 45492, 61994, 68238, 85068, 92991, 123988, 136476, 185982, 278973, 371964, 526949, 557946, 1053898, 1115892, 1580847, 2107796, 3161694, 4742541, 6323388, 9485082, 18970164]

約数ペア:

[(1, 18970164), (2, 9485082), (3, 6323388), (4, 4742541), (6, 3161694), (9, 2107796), (12, 1580847), (17, 1115892), (18, 1053898), (34, 557946), (36, 526949), (51, 371964), (68, 278973), (102, 185982), (139, 136476), (153, 123988), (204, 92991), (223, 85068), (278, 68238), (306, 61994), (417, 45492), (446, 42534), (556, 34119), (612, 30997), (669, 28356), (834, 22746), (892, 21267), (1251, 15164), (1338, 14178), (1668, 11373), (2007, 9452), (2363, 8028), (2502, 7582), (2676, 7089), (3791, 5004), (4014, 4726)]