18225065728

素因数分解:

$2^8\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{9767}}^1$

素因数の和:10017

約数の個数: 72

約数和(自身を含む): 37555654752

約数和(自身を除く): 19330589024

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 197, 256, 296, 394, 592, 788, 1184, 1576, 2368, 3152, 4736, 6304, 7289, 9472, 9767, 12608, 14578, 19534, 25216, 29156, 39068, 50432, 58312, 78136, 116624, 156272, 233248, 312544, 361379, 466496, 625088, 722758, 932992, 1250176, 1445516, 1865984, 1924099, 2500352, 2891032, 3848198, 5782064, 7696396, 11564128, 15392792, 23128256, 30785584, 46256512, 61571168, 71191663, 92513024, 123142336, 142383326, 246284672, 284766652, 492569344, 569533304, 1139066608, 2278133216, 4556266432, 9112532864, 18225065728]

約数ペア:

[(1, 18225065728), (2, 9112532864), (4, 4556266432), (8, 2278133216), (16, 1139066608), (32, 569533304), (37, 492569344), (64, 284766652), (74, 246284672), (128, 142383326), (148, 123142336), (197, 92513024), (256, 71191663), (296, 61571168), (394, 46256512), (592, 30785584), (788, 23128256), (1184, 15392792), (1576, 11564128), (2368, 7696396), (3152, 5782064), (4736, 3848198), (6304, 2891032), (7289, 2500352), (9472, 1924099), (9767, 1865984), (12608, 1445516), (14578, 1250176), (19534, 932992), (25216, 722758), (29156, 625088), (39068, 466496), (50432, 361379), (58312, 312544), (78136, 233248), (116624, 156272)]