16873444

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 37920960

約数和(自身を除く): 21047516

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 38, 46, 49, 76, 92, 98, 133, 161, 196, 197, 266, 322, 394, 437, 532, 644, 788, 874, 931, 1127, 1379, 1748, 1862, 2254, 2758, 3059, 3724, 3743, 4508, 4531, 5516, 6118, 7486, 9062, 9653, 12236, 14972, 18124, 19306, 21413, 26201, 31717, 38612, 42826, 52402, 63434, 85652, 86089, 104804, 126868, 172178, 183407, 222019, 344356, 366814, 444038, 602623, 733628, 888076, 1205246, 2410492, 4218361, 8436722, 16873444]

約数ペア:

[(1, 16873444), (2, 8436722), (4, 4218361), (7, 2410492), (14, 1205246), (19, 888076), (23, 733628), (28, 602623), (38, 444038), (46, 366814), (49, 344356), (76, 222019), (92, 183407), (98, 172178), (133, 126868), (161, 104804), (196, 86089), (197, 85652), (266, 63434), (322, 52402), (394, 42826), (437, 38612), (532, 31717), (644, 26201), (788, 21413), (874, 19306), (931, 18124), (1127, 14972), (1379, 12236), (1748, 9653), (1862, 9062), (2254, 7486), (2758, 6118), (3059, 5516), (3724, 4531), (3743, 4508)]