19338165

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5581}}^1$

素因数の和:5610

約数の個数: 48

約数和(自身を含む): 41798016

約数和(自身を除く): 22459851

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 693, 1155, 3465, 5581, 16743, 27905, 39067, 50229, 61391, 83715, 117201, 184173, 195335, 251145, 306955, 351603, 429737, 552519, 586005, 920865, 1289211, 1758015, 2148685, 2762595, 3867633, 6446055, 19338165]

約数ペア:

[(1, 19338165), (3, 6446055), (5, 3867633), (7, 2762595), (9, 2148685), (11, 1758015), (15, 1289211), (21, 920865), (33, 586005), (35, 552519), (45, 429737), (55, 351603), (63, 306955), (77, 251145), (99, 195335), (105, 184173), (165, 117201), (231, 83715), (315, 61391), (385, 50229), (495, 39067), (693, 27905), (1155, 16743), (3465, 5581)]