18387206545

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{240623}}^1$

素因数の和:240705

約数の個数: 32

約数和(自身を含む): 24947896320

約数和(自身を除く): 6560689775

約数列:

[1, 5, 17, 29, 31, 85, 145, 155, 493, 527, 899, 2465, 2635, 4495, 15283, 76415, 240623, 1203115, 4090591, 6978067, 7459313, 20452955, 34890335, 37296565, 118627139, 126808321, 216320077, 593135695, 634041605, 1081600385, 3677441309, 18387206545]

約数ペア:

[(1, 18387206545), (5, 3677441309), (17, 1081600385), (29, 634041605), (31, 593135695), (85, 216320077), (145, 126808321), (155, 118627139), (493, 37296565), (527, 34890335), (899, 20452955), (2465, 7459313), (2635, 6978067), (4495, 4090591), (15283, 1203115), (76415, 240623)]