18990430

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{35831}}^1$

素因数の和:35891

約数の個数: 16

約数和(自身を含む): 34828704

約数和(自身を除く): 15838274

約数列:

[1, 2, 5, 10, 53, 106, 265, 530, 35831, 71662, 179155, 358310, 1899043, 3798086, 9495215, 18990430]

約数ペア:

[(1, 18990430), (2, 9495215), (5, 3798086), (10, 1899043), (53, 358310), (106, 179155), (265, 71662), (530, 35831)]