18311326

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{617}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 32037120

約数和(自身を除く): 13725794

約数列:

[1, 2, 11, 19, 22, 38, 71, 142, 209, 418, 617, 781, 1234, 1349, 1562, 2698, 6787, 11723, 13574, 14839, 23446, 29678, 43807, 87614, 128953, 257906, 481877, 832333, 963754, 1664666, 9155663, 18311326]

約数ペア:

[(1, 18311326), (2, 9155663), (11, 1664666), (19, 963754), (22, 832333), (38, 481877), (71, 257906), (142, 128953), (209, 87614), (418, 43807), (617, 29678), (781, 23446), (1234, 14839), (1349, 13574), (1562, 11723), (2698, 6787)]