538493744

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1771361}}^1$

素因数の和:1771388

約数の個数: 20

約数和(自身を含む): 1098244440

約数和(自身を除く): 559750696

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1771361, 3542722, 7085444, 14170888, 28341776, 33655859, 67311718, 134623436, 269246872, 538493744]

約数ペア:

[(1, 538493744), (2, 269246872), (4, 134623436), (8, 67311718), (16, 33655859), (19, 28341776), (38, 14170888), (76, 7085444), (152, 3542722), (304, 1771361)]