18960015

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{74353}}^1$

素因数の和:74378

約数の個数: 16

約数和(自身を含む): 32120928

約数和(自身を除く): 13160913

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 74353, 223059, 371765, 1115295, 1264001, 3792003, 6320005, 18960015]

約数ペア:

[(1, 18960015), (3, 6320005), (5, 3792003), (15, 1264001), (17, 1115295), (51, 371765), (85, 223059), (255, 74353)]