19461195520

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{9209}}^1$

素因数の和:9370

約数の個数: 144

約数和(自身を含む): 50602245120

約数和(自身を除く): 31141049600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 127, 128, 130, 160, 208, 254, 256, 260, 320, 416, 508, 520, 635, 640, 832, 1016, 1040, 1270, 1280, 1651, 1664, 2032, 2080, 2540, 3302, 3328, 4064, 4160, 5080, 6604, 8128, 8255, 8320, 9209, 10160, 13208, 16256, 16510, 16640, 18418, 20320, 26416, 32512, 33020, 36836, 40640, 46045, 52832, 66040, 73672, 81280, 92090, 105664, 119717, 132080, 147344, 162560, 184180, 211328, 239434, 264160, 294688, 368360, 422656, 478868, 528320, 589376, 598585, 736720, 957736, 1056640, 1169543, 1178752, 1197170, 1473440, 1915472, 2113280, 2339086, 2357504, 2394340, 2946880, 3830944, 4678172, 4788680, 5847715, 5893760, 7661888, 9356344, 9577360, 11695430, 11787520, 15204059, 15323776, 18712688, 19154720, 23390860, 30408118, 30647552, 37425376, 38309440, 46781720, 60816236, 74850752, 76020295, 76618880, 93563440, 121632472, 149701504, 152040590, 153237760, 187126880, 243264944, 299403008, 304081180, 374253760, 486529888, 608162360, 748507520, 973059776, 1216324720, 1497015040, 1946119552, 2432649440, 3892239104, 4865298880, 9730597760, 19461195520]

約数ペア:

[(1, 19461195520), (2, 9730597760), (4, 4865298880), (5, 3892239104), (8, 2432649440), (10, 1946119552), (13, 1497015040), (16, 1216324720), (20, 973059776), (26, 748507520), (32, 608162360), (40, 486529888), (52, 374253760), (64, 304081180), (65, 299403008), (80, 243264944), (104, 187126880), (127, 153237760), (128, 152040590), (130, 149701504), (160, 121632472), (208, 93563440), (254, 76618880), (256, 76020295), (260, 74850752), (320, 60816236), (416, 46781720), (508, 38309440), (520, 37425376), (635, 30647552), (640, 30408118), (832, 23390860), (1016, 19154720), (1040, 18712688), (1270, 15323776), (1280, 15204059), (1651, 11787520), (1664, 11695430), (2032, 9577360), (2080, 9356344), (2540, 7661888), (3302, 5893760), (3328, 5847715), (4064, 4788680), (4160, 4678172), (5080, 3830944), (6604, 2946880), (8128, 2394340), (8255, 2357504), (8320, 2339086), (9209, 2113280), (10160, 1915472), (13208, 1473440), (16256, 1197170), (16510, 1178752), (16640, 1169543), (18418, 1056640), (20320, 957736), (26416, 736720), (32512, 598585), (33020, 589376), (36836, 528320), (40640, 478868), (46045, 422656), (52832, 368360), (66040, 294688), (73672, 264160), (81280, 239434), (92090, 211328), (105664, 184180), (119717, 162560), (132080, 147344)]