19381882

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:358

約数の個数: 32

約数和(自身を含む): 32739840

約数和(自身を除く): 13357958

約数列:

[1, 2, 13, 26, 31, 62, 139, 173, 278, 346, 403, 806, 1807, 2249, 3614, 4309, 4498, 5363, 8618, 10726, 24047, 48094, 56017, 69719, 112034, 139438, 312611, 625222, 745457, 1490914, 9690941, 19381882]

約数ペア:

[(1, 19381882), (2, 9690941), (13, 1490914), (26, 745457), (31, 625222), (62, 312611), (139, 139438), (173, 112034), (278, 69719), (346, 56017), (403, 48094), (806, 24047), (1807, 10726), (2249, 8618), (3614, 5363), (4309, 4498)]