18653880320

素因数分解:

$2^{13}\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1693}}^1$

素因数の和:1993

約数の個数: 112

約数和(自身を含む): 44959539240

約数和(自身を除く): 26305658920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 269, 320, 512, 538, 640, 1024, 1076, 1280, 1345, 1693, 2048, 2152, 2560, 2690, 3386, 4096, 4304, 5120, 5380, 6772, 8192, 8465, 8608, 10240, 10760, 13544, 16930, 17216, 20480, 21520, 27088, 33860, 34432, 40960, 43040, 54176, 67720, 68864, 86080, 108352, 135440, 137728, 172160, 216704, 270880, 275456, 344320, 433408, 455417, 541760, 550912, 688640, 866816, 910834, 1083520, 1101824, 1377280, 1733632, 1821668, 2167040, 2203648, 2277085, 2754560, 3467264, 3643336, 4334080, 4554170, 5509120, 6934528, 7286672, 8668160, 9108340, 11018240, 13869056, 14573344, 17336320, 18216680, 29146688, 34672640, 36433360, 58293376, 69345280, 72866720, 116586752, 145733440, 233173504, 291466880, 466347008, 582933760, 932694016, 1165867520, 1865388032, 2331735040, 3730776064, 4663470080, 9326940160, 18653880320]

約数ペア:

[(1, 18653880320), (2, 9326940160), (4, 4663470080), (5, 3730776064), (8, 2331735040), (10, 1865388032), (16, 1165867520), (20, 932694016), (32, 582933760), (40, 466347008), (64, 291466880), (80, 233173504), (128, 145733440), (160, 116586752), (256, 72866720), (269, 69345280), (320, 58293376), (512, 36433360), (538, 34672640), (640, 29146688), (1024, 18216680), (1076, 17336320), (1280, 14573344), (1345, 13869056), (1693, 11018240), (2048, 9108340), (2152, 8668160), (2560, 7286672), (2690, 6934528), (3386, 5509120), (4096, 4554170), (4304, 4334080), (5120, 3643336), (5380, 3467264), (6772, 2754560), (8192, 2277085), (8465, 2203648), (8608, 2167040), (10240, 1821668), (10760, 1733632), (13544, 1377280), (16930, 1101824), (17216, 1083520), (20480, 910834), (21520, 866816), (27088, 688640), (33860, 550912), (34432, 541760), (40960, 455417), (43040, 433408), (54176, 344320), (67720, 275456), (68864, 270880), (86080, 216704), (108352, 172160), (135440, 137728)]