20181901815

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8793857}}^1$

素因数の和:8793888

約数の個数: 32

約数和(自身を含む): 37989466560

約数和(自身を除く): 17807564745

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 8793857, 26381571, 43969285, 79144713, 131907855, 149495569, 237434139, 395723565, 448486707, 747477845, 1187170695, 1345460121, 2242433535, 4036380363, 6727300605, 20181901815]

約数ペア:

[(1, 20181901815), (3, 6727300605), (5, 4036380363), (9, 2242433535), (15, 1345460121), (17, 1187170695), (27, 747477845), (45, 448486707), (51, 395723565), (85, 237434139), (135, 149495569), (153, 131907855), (255, 79144713), (459, 43969285), (765, 26381571), (2295, 8793857)]