12211940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3613}}^1$

素因数の和:3648

約数の個数: 36

約数和(自身を含む): 27777204

約数和(自身を除く): 15565264

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 3613, 7226, 14452, 18065, 36130, 46969, 72260, 93938, 187876, 234845, 469690, 610597, 939380, 1221194, 2442388, 3052985, 6105970, 12211940]

約数ペア:

[(1, 12211940), (2, 6105970), (4, 3052985), (5, 2442388), (10, 1221194), (13, 939380), (20, 610597), (26, 469690), (52, 234845), (65, 187876), (130, 93938), (169, 72260), (260, 46969), (338, 36130), (676, 18065), (845, 14452), (1690, 7226), (3380, 3613)]