19502128

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71699}}^1$

素因数の和:71724

約数の個数: 20

約数和(自身を含む): 40008600

約数和(自身を除く): 20506472

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 71699, 143398, 286796, 573592, 1147184, 1218883, 2437766, 4875532, 9751064, 19502128]

約数ペア:

[(1, 19502128), (2, 9751064), (4, 4875532), (8, 2437766), (16, 1218883), (17, 1147184), (34, 573592), (68, 286796), (136, 143398), (272, 71699)]