18407504

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{401}}^1$

素因数の和:579

約数の個数: 40

約数和(自身を含む): 37884480

約数和(自身を除く): 19476976

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 151, 152, 302, 304, 401, 604, 802, 1208, 1604, 2416, 2869, 3208, 5738, 6416, 7619, 11476, 15238, 22952, 30476, 45904, 60551, 60952, 121102, 121904, 242204, 484408, 968816, 1150469, 2300938, 4601876, 9203752, 18407504]

約数ペア:

[(1, 18407504), (2, 9203752), (4, 4601876), (8, 2300938), (16, 1150469), (19, 968816), (38, 484408), (76, 242204), (151, 121904), (152, 121102), (302, 60952), (304, 60551), (401, 45904), (604, 30476), (802, 22952), (1208, 15238), (1604, 11476), (2416, 7619), (2869, 6416), (3208, 5738)]