19445890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1103}}^1$

素因数の和:1194

約数の個数: 32

約数和(自身を含む): 36723456

約数和(自身を除く): 17277566

約数列:

[1, 2, 5, 10, 41, 43, 82, 86, 205, 215, 410, 430, 1103, 1763, 2206, 3526, 5515, 8815, 11030, 17630, 45223, 47429, 90446, 94858, 226115, 237145, 452230, 474290, 1944589, 3889178, 9722945, 19445890]

約数ペア:

[(1, 19445890), (2, 9722945), (5, 3889178), (10, 1944589), (41, 474290), (43, 452230), (82, 237145), (86, 226115), (205, 94858), (215, 90446), (410, 47429), (430, 45223), (1103, 17630), (1763, 11030), (2206, 8815), (3526, 5515)]