18460849870

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{719}}^1$

素因数の和:898

約数の個数: 96

約数和(自身を含む): 35760890880

約数和(自身を除く): 17300041010

約数列:

[1, 2, 5, 10, 29, 43, 58, 71, 86, 142, 145, 215, 290, 355, 430, 710, 719, 841, 1247, 1438, 1682, 2059, 2494, 3053, 3595, 4118, 4205, 6106, 6235, 7190, 8410, 10295, 12470, 15265, 20590, 20851, 30530, 30917, 36163, 41702, 51049, 59711, 61834, 72326, 88537, 102098, 104255, 119422, 154585, 177074, 180815, 208510, 255245, 298555, 309170, 361630, 442685, 510490, 597110, 604679, 885370, 896593, 1209358, 1480421, 1793186, 2195107, 2567573, 2960842, 3023395, 4390214, 4482965, 5135146, 6046790, 7402105, 8965930, 10975535, 12837865, 14804210, 21951070, 25675730, 26001197, 42932209, 52002394, 63658103, 85864418, 127316206, 130005985, 214661045, 260011970, 318290515, 429322090, 636581030, 1846084987, 3692169974, 9230424935, 18460849870]

約数ペア:

[(1, 18460849870), (2, 9230424935), (5, 3692169974), (10, 1846084987), (29, 636581030), (43, 429322090), (58, 318290515), (71, 260011970), (86, 214661045), (142, 130005985), (145, 127316206), (215, 85864418), (290, 63658103), (355, 52002394), (430, 42932209), (710, 26001197), (719, 25675730), (841, 21951070), (1247, 14804210), (1438, 12837865), (1682, 10975535), (2059, 8965930), (2494, 7402105), (3053, 6046790), (3595, 5135146), (4118, 4482965), (4205, 4390214), (6106, 3023395), (6235, 2960842), (7190, 2567573), (8410, 2195107), (10295, 1793186), (12470, 1480421), (15265, 1209358), (20590, 896593), (20851, 885370), (30530, 604679), (30917, 597110), (36163, 510490), (41702, 442685), (51049, 361630), (59711, 309170), (61834, 298555), (72326, 255245), (88537, 208510), (102098, 180815), (104255, 177074), (119422, 154585)]