19571168

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:331

約数の個数: 48

約数和(自身を含む): 40360320

約数和(自身を除く): 20789152

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 109, 124, 181, 218, 248, 362, 436, 496, 724, 872, 992, 1448, 1744, 2896, 3379, 3488, 5611, 5792, 6758, 11222, 13516, 19729, 22444, 27032, 39458, 44888, 54064, 78916, 89776, 108128, 157832, 179552, 315664, 611599, 631328, 1223198, 2446396, 4892792, 9785584, 19571168]

約数ペア:

[(1, 19571168), (2, 9785584), (4, 4892792), (8, 2446396), (16, 1223198), (31, 631328), (32, 611599), (62, 315664), (109, 179552), (124, 157832), (181, 108128), (218, 89776), (248, 78916), (362, 54064), (436, 44888), (496, 39458), (724, 27032), (872, 22444), (992, 19729), (1448, 13516), (1744, 11222), (2896, 6758), (3379, 5792), (3488, 5611)]