18991170076

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{619}}^1\times {\mathrm{659}}^1$

素因数の和:1498

約数の個数: 48

約数和(自身を含む): 33960326400

約数和(自身を除く): 14969156324

約数列:

[1, 2, 4, 103, 113, 206, 226, 412, 452, 619, 659, 1238, 1318, 2476, 2636, 11639, 23278, 46556, 63757, 67877, 69947, 74467, 127514, 135754, 139894, 148934, 255028, 271508, 279788, 297868, 407921, 815842, 1631684, 7204541, 7670101, 14409082, 15340202, 28818164, 30680404, 42015863, 46095073, 84031726, 92190146, 168063452, 184380292, 4747792519, 9495585038, 18991170076]

約数ペア:

[(1, 18991170076), (2, 9495585038), (4, 4747792519), (103, 184380292), (113, 168063452), (206, 92190146), (226, 84031726), (412, 46095073), (452, 42015863), (619, 30680404), (659, 28818164), (1238, 15340202), (1318, 14409082), (2476, 7670101), (2636, 7204541), (11639, 1631684), (23278, 815842), (46556, 407921), (63757, 297868), (67877, 279788), (69947, 271508), (74467, 255028), (127514, 148934), (135754, 139894)]