18780510

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{89431}}^1$

素因数の和:89448

約数の個数: 32

約数和(自身を含む): 51512832

約数和(自身を除く): 32732322

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 89431, 178862, 268293, 447155, 536586, 626017, 894310, 1252034, 1341465, 1878051, 2682930, 3130085, 3756102, 6260170, 9390255, 18780510]

約数ペア:

[(1, 18780510), (2, 9390255), (3, 6260170), (5, 3756102), (6, 3130085), (7, 2682930), (10, 1878051), (14, 1341465), (15, 1252034), (21, 894310), (30, 626017), (35, 536586), (42, 447155), (70, 268293), (105, 178862), (210, 89431)]