18384730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:343

約数の個数: 64

約数和(自身を含む): 41368320

約数和(自身を除く): 22983590

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 89, 91, 130, 178, 182, 227, 445, 454, 455, 623, 890, 910, 1135, 1157, 1246, 1589, 2270, 2314, 2951, 3115, 3178, 5785, 5902, 6230, 7945, 8099, 11570, 14755, 15890, 16198, 20203, 20657, 29510, 40406, 40495, 41314, 80990, 101015, 103285, 141421, 202030, 206570, 262639, 282842, 525278, 707105, 1313195, 1414210, 1838473, 2626390, 3676946, 9192365, 18384730]

約数ペア:

[(1, 18384730), (2, 9192365), (5, 3676946), (7, 2626390), (10, 1838473), (13, 1414210), (14, 1313195), (26, 707105), (35, 525278), (65, 282842), (70, 262639), (89, 206570), (91, 202030), (130, 141421), (178, 103285), (182, 101015), (227, 80990), (445, 41314), (454, 40495), (455, 40406), (623, 29510), (890, 20657), (910, 20203), (1135, 16198), (1157, 15890), (1246, 14755), (1589, 11570), (2270, 8099), (2314, 7945), (2951, 6230), (3115, 5902), (3178, 5785)]