19479928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1931}}^1$

素因数の和:2047

約数の個数: 32

約数和(自身を含む): 39760560

約数和(自身を除く): 20280632

約数列:

[1, 2, 4, 8, 13, 26, 52, 97, 104, 194, 388, 776, 1261, 1931, 2522, 3862, 5044, 7724, 10088, 15448, 25103, 50206, 100412, 187307, 200824, 374614, 749228, 1498456, 2434991, 4869982, 9739964, 19479928]

約数ペア:

[(1, 19479928), (2, 9739964), (4, 4869982), (8, 2434991), (13, 1498456), (26, 749228), (52, 374614), (97, 200824), (104, 187307), (194, 100412), (388, 50206), (776, 25103), (1261, 15448), (1931, 10088), (2522, 7724), (3862, 5044)]