18752013

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2111}}^1$

素因数の和:2174

約数の個数: 32

約数和(自身を含む): 32440320

約数和(自身を除く): 13688307

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 2111, 2961, 6333, 8883, 14777, 18999, 44331, 56997, 99217, 132993, 297651, 398979, 694519, 892953, 2083557, 2678859, 6250671, 18752013]

約数ペア:

[(1, 18752013), (3, 6250671), (7, 2678859), (9, 2083557), (21, 892953), (27, 694519), (47, 398979), (63, 297651), (141, 132993), (189, 99217), (329, 56997), (423, 44331), (987, 18999), (1269, 14777), (2111, 8883), (2961, 6333)]