19157776

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1$

素因数の和:392

約数の個数: 80

約数和(自身を含む): 45264960

約数和(自身を除く): 26107184

約数列:

[1, 2, 4, 8, 11, 16, 17, 19, 22, 34, 38, 44, 68, 76, 88, 136, 152, 176, 187, 209, 272, 304, 323, 337, 374, 418, 646, 674, 748, 836, 1292, 1348, 1496, 1672, 2584, 2696, 2992, 3344, 3553, 3707, 5168, 5392, 5729, 6403, 7106, 7414, 11458, 12806, 14212, 14828, 22916, 25612, 28424, 29656, 45832, 51224, 56848, 59312, 63019, 70433, 91664, 102448, 108851, 126038, 140866, 217702, 252076, 281732, 435404, 504152, 563464, 870808, 1008304, 1126928, 1197361, 1741616, 2394722, 4789444, 9578888, 19157776]

約数ペア:

[(1, 19157776), (2, 9578888), (4, 4789444), (8, 2394722), (11, 1741616), (16, 1197361), (17, 1126928), (19, 1008304), (22, 870808), (34, 563464), (38, 504152), (44, 435404), (68, 281732), (76, 252076), (88, 217702), (136, 140866), (152, 126038), (176, 108851), (187, 102448), (209, 91664), (272, 70433), (304, 63019), (323, 59312), (337, 56848), (374, 51224), (418, 45832), (646, 29656), (674, 28424), (748, 25612), (836, 22916), (1292, 14828), (1348, 14212), (1496, 12806), (1672, 11458), (2584, 7414), (2696, 7106), (2992, 6403), (3344, 5729), (3553, 5392), (3707, 5168)]