19761660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1087}}^1$

素因数の和:1203

約数の個数: 72

約数和(自身を含む): 60592896

約数和(自身を除く): 40831236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 505, 606, 909, 1010, 1087, 1212, 1515, 1818, 2020, 2174, 3030, 3261, 3636, 4348, 4545, 5435, 6060, 6522, 9090, 9783, 10870, 13044, 16305, 18180, 19566, 21740, 32610, 39132, 48915, 65220, 97830, 109787, 195660, 219574, 329361, 439148, 548935, 658722, 988083, 1097870, 1317444, 1646805, 1976166, 2195740, 3293610, 3952332, 4940415, 6587220, 9880830, 19761660]

約数ペア:

[(1, 19761660), (2, 9880830), (3, 6587220), (4, 4940415), (5, 3952332), (6, 3293610), (9, 2195740), (10, 1976166), (12, 1646805), (15, 1317444), (18, 1097870), (20, 988083), (30, 658722), (36, 548935), (45, 439148), (60, 329361), (90, 219574), (101, 195660), (180, 109787), (202, 97830), (303, 65220), (404, 48915), (505, 39132), (606, 32610), (909, 21740), (1010, 19566), (1087, 18180), (1212, 16305), (1515, 13044), (1818, 10870), (2020, 9783), (2174, 9090), (3030, 6522), (3261, 6060), (3636, 5435), (4348, 4545)]