19774136

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 40325040

約数和(自身を除く): 20550904

約数列:

[1, 2, 4, 8, 19, 38, 41, 76, 82, 152, 164, 167, 328, 334, 361, 668, 722, 779, 1336, 1444, 1558, 2888, 3116, 3173, 6232, 6346, 6847, 12692, 13694, 14801, 25384, 27388, 29602, 54776, 59204, 60287, 118408, 120574, 130093, 241148, 260186, 482296, 520372, 1040744, 2471767, 4943534, 9887068, 19774136]

約数ペア:

[(1, 19774136), (2, 9887068), (4, 4943534), (8, 2471767), (19, 1040744), (38, 520372), (41, 482296), (76, 260186), (82, 241148), (152, 130093), (164, 120574), (167, 118408), (328, 60287), (334, 59204), (361, 54776), (668, 29602), (722, 27388), (779, 25384), (1336, 14801), (1444, 13694), (1558, 12692), (2888, 6847), (3116, 6346), (3173, 6232)]