18849855

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2549}}^1$

素因数の和:2603

約数の個数: 32

約数和(自身を含む): 33048000

約数和(自身を除く): 14198145

約数列:

[1, 3, 5, 15, 17, 29, 51, 85, 87, 145, 255, 435, 493, 1479, 2465, 2549, 7395, 7647, 12745, 38235, 43333, 73921, 129999, 216665, 221763, 369605, 649995, 1108815, 1256657, 3769971, 6283285, 18849855]

約数ペア:

[(1, 18849855), (3, 6283285), (5, 3769971), (15, 1256657), (17, 1108815), (29, 649995), (51, 369605), (85, 221763), (87, 216665), (145, 129999), (255, 73921), (435, 43333), (493, 38235), (1479, 12745), (2465, 7647), (2549, 7395)]