18491190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{337}}^1$

素因数の和:437

約数の個数: 64

約数和(自身を含む): 46725120

約数和(自身を除く): 28233930

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 59, 62, 93, 118, 155, 177, 186, 295, 310, 337, 354, 465, 590, 674, 885, 930, 1011, 1685, 1770, 1829, 2022, 3370, 3658, 5055, 5487, 9145, 10110, 10447, 10974, 18290, 19883, 20894, 27435, 31341, 39766, 52235, 54870, 59649, 62682, 99415, 104470, 119298, 156705, 198830, 298245, 313410, 596490, 616373, 1232746, 1849119, 3081865, 3698238, 6163730, 9245595, 18491190]

約数ペア:

[(1, 18491190), (2, 9245595), (3, 6163730), (5, 3698238), (6, 3081865), (10, 1849119), (15, 1232746), (30, 616373), (31, 596490), (59, 313410), (62, 298245), (93, 198830), (118, 156705), (155, 119298), (177, 104470), (186, 99415), (295, 62682), (310, 59649), (337, 54870), (354, 52235), (465, 39766), (590, 31341), (674, 27435), (885, 20894), (930, 19883), (1011, 18290), (1685, 10974), (1770, 10447), (1829, 10110), (2022, 9145), (3370, 5487), (3658, 5055)]