19869486

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{241}}^1$

素因数の和:417

約数の個数: 64

約数和(自身を含む): 49437696

約数和(自身を除く): 29568210

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 151, 182, 241, 273, 302, 453, 482, 546, 723, 906, 1057, 1446, 1687, 1963, 2114, 3133, 3171, 3374, 3926, 5061, 5889, 6266, 6342, 9399, 10122, 11778, 13741, 18798, 21931, 27482, 36391, 41223, 43862, 65793, 72782, 82446, 109173, 131586, 218346, 254737, 473083, 509474, 764211, 946166, 1419249, 1528422, 2838498, 3311581, 6623162, 9934743, 19869486]

約数ペア:

[(1, 19869486), (2, 9934743), (3, 6623162), (6, 3311581), (7, 2838498), (13, 1528422), (14, 1419249), (21, 946166), (26, 764211), (39, 509474), (42, 473083), (78, 254737), (91, 218346), (151, 131586), (182, 109173), (241, 82446), (273, 72782), (302, 65793), (453, 43862), (482, 41223), (546, 36391), (723, 27482), (906, 21931), (1057, 18798), (1446, 13741), (1687, 11778), (1963, 10122), (2114, 9399), (3133, 6342), (3171, 6266), (3374, 5889), (3926, 5061)]