19865944

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18671}}^1$

素因数の和:18703

約数の個数: 32

約数和(自身を含む): 44812800

約数和(自身を除く): 24946856

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 18671, 37342, 74684, 130697, 149368, 261394, 354749, 522788, 709498, 1045576, 1418996, 2483243, 2837992, 4966486, 9932972, 19865944]

約数ペア:

[(1, 19865944), (2, 9932972), (4, 4966486), (7, 2837992), (8, 2483243), (14, 1418996), (19, 1045576), (28, 709498), (38, 522788), (56, 354749), (76, 261394), (133, 149368), (152, 130697), (266, 74684), (532, 37342), (1064, 18671)]