18769156

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 41713056

約数和(自身を除く): 22943900

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 43, 49, 68, 86, 98, 119, 131, 172, 196, 238, 262, 301, 476, 524, 602, 731, 833, 917, 1204, 1462, 1666, 1834, 2107, 2227, 2924, 3332, 3668, 4214, 4454, 5117, 5633, 6419, 8428, 8908, 10234, 11266, 12838, 15589, 20468, 22532, 25676, 31178, 35819, 39431, 62356, 71638, 78862, 95761, 109123, 143276, 157724, 191522, 218246, 276017, 383044, 436492, 552034, 670327, 1104068, 1340654, 2681308, 4692289, 9384578, 18769156]

約数ペア:

[(1, 18769156), (2, 9384578), (4, 4692289), (7, 2681308), (14, 1340654), (17, 1104068), (28, 670327), (34, 552034), (43, 436492), (49, 383044), (68, 276017), (86, 218246), (98, 191522), (119, 157724), (131, 143276), (172, 109123), (196, 95761), (238, 78862), (262, 71638), (301, 62356), (476, 39431), (524, 35819), (602, 31178), (731, 25676), (833, 22532), (917, 20468), (1204, 15589), (1462, 12838), (1666, 11266), (1834, 10234), (2107, 8908), (2227, 8428), (2924, 6419), (3332, 5633), (3668, 5117), (4214, 4454)]