19965700796

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1\times {\mathrm{12589}}^1$

素因数の和:12974

約数の個数: 48

約数和(自身を含む): 37577221920

約数和(自身を除く): 17611521124

約数列:

[1, 2, 4, 17, 34, 68, 83, 166, 281, 332, 562, 1124, 1411, 2822, 4777, 5644, 9554, 12589, 19108, 23323, 25178, 46646, 50356, 93292, 214013, 396491, 428026, 792982, 856052, 1044887, 1585964, 2089774, 3537509, 4179548, 7075018, 14150036, 17763079, 35526158, 60137653, 71052316, 120275306, 240550612, 293613247, 587226494, 1174452988, 4991425199, 9982850398, 19965700796]

約数ペア:

[(1, 19965700796), (2, 9982850398), (4, 4991425199), (17, 1174452988), (34, 587226494), (68, 293613247), (83, 240550612), (166, 120275306), (281, 71052316), (332, 60137653), (562, 35526158), (1124, 17763079), (1411, 14150036), (2822, 7075018), (4777, 4179548), (5644, 3537509), (9554, 2089774), (12589, 1585964), (19108, 1044887), (23323, 856052), (25178, 792982), (46646, 428026), (50356, 396491), (93292, 214013)]