19437133040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{505123}}^1$

素因数の和:505186

約数の個数: 80

約数和(自身を含む): 49983030048

約数和(自身を除く): 30545897008

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 740, 962, 1040, 1480, 1924, 2405, 2960, 3848, 4810, 7696, 9620, 19240, 38480, 505123, 1010246, 2020492, 2525615, 4040984, 5051230, 6566599, 8081968, 10102460, 13133198, 18689551, 20204920, 26266396, 32832995, 37379102, 40409840, 52532792, 65665990, 74758204, 93447755, 105065584, 131331980, 149516408, 186895510, 242964163, 262663960, 299032816, 373791020, 485928326, 525327920, 747582040, 971856652, 1214820815, 1495164080, 1943713304, 2429641630, 3887426608, 4859283260, 9718566520, 19437133040]

約数ペア:

[(1, 19437133040), (2, 9718566520), (4, 4859283260), (5, 3887426608), (8, 2429641630), (10, 1943713304), (13, 1495164080), (16, 1214820815), (20, 971856652), (26, 747582040), (37, 525327920), (40, 485928326), (52, 373791020), (65, 299032816), (74, 262663960), (80, 242964163), (104, 186895510), (130, 149516408), (148, 131331980), (185, 105065584), (208, 93447755), (260, 74758204), (296, 65665990), (370, 52532792), (481, 40409840), (520, 37379102), (592, 32832995), (740, 26266396), (962, 20204920), (1040, 18689551), (1480, 13133198), (1924, 10102460), (2405, 8081968), (2960, 6566599), (3848, 5051230), (4810, 4040984), (7696, 2525615), (9620, 2020492), (19240, 1010246), (38480, 505123)]