19520037940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{12391}}^1$

素因数の和:12569

約数の個数: 96

約数和(自身を含む): 45292859136

約数和(自身を除く): 25772821196

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 83, 130, 146, 166, 260, 292, 332, 365, 415, 730, 830, 949, 1079, 1460, 1660, 1898, 2158, 3796, 4316, 4745, 5395, 6059, 9490, 10790, 12118, 12391, 18980, 21580, 24236, 24782, 30295, 49564, 60590, 61955, 78767, 121180, 123910, 157534, 161083, 247820, 315068, 322166, 393835, 644332, 787670, 805415, 904543, 1028453, 1575340, 1610830, 1809086, 2056906, 3221660, 3618172, 4113812, 4522715, 5142265, 9045430, 10284530, 11759059, 13369889, 18090860, 20569060, 23518118, 26739778, 47036236, 53479556, 58795295, 66849445, 75077069, 117590590, 133698890, 150154138, 235181180, 267397780, 300308276, 375385345, 750770690, 976001897, 1501541380, 1952003794, 3904007588, 4880009485, 9760018970, 19520037940]

約数ペア:

[(1, 19520037940), (2, 9760018970), (4, 4880009485), (5, 3904007588), (10, 1952003794), (13, 1501541380), (20, 976001897), (26, 750770690), (52, 375385345), (65, 300308276), (73, 267397780), (83, 235181180), (130, 150154138), (146, 133698890), (166, 117590590), (260, 75077069), (292, 66849445), (332, 58795295), (365, 53479556), (415, 47036236), (730, 26739778), (830, 23518118), (949, 20569060), (1079, 18090860), (1460, 13369889), (1660, 11759059), (1898, 10284530), (2158, 9045430), (3796, 5142265), (4316, 4522715), (4745, 4113812), (5395, 3618172), (6059, 3221660), (9490, 2056906), (10790, 1809086), (12118, 1610830), (12391, 1575340), (18980, 1028453), (21580, 904543), (24236, 805415), (24782, 787670), (30295, 644332), (49564, 393835), (60590, 322166), (61955, 315068), (78767, 247820), (121180, 161083), (123910, 157534)]