218889728

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{22501}}^1$

素因数の和:22538

約数の個数: 40

約数和(自身を含む): 460390920

約数和(自身を除く): 241501192

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1216, 2432, 4864, 9728, 22501, 45002, 90004, 180008, 360016, 427519, 720032, 855038, 1440064, 1710076, 2880128, 3420152, 5760256, 6840304, 11520512, 13680608, 27361216, 54722432, 109444864, 218889728]

約数ペア:

[(1, 218889728), (2, 109444864), (4, 54722432), (8, 27361216), (16, 13680608), (19, 11520512), (32, 6840304), (38, 5760256), (64, 3420152), (76, 2880128), (128, 1710076), (152, 1440064), (256, 855038), (304, 720032), (512, 427519), (608, 360016), (1216, 180008), (2432, 90004), (4864, 45002), (9728, 22501)]