19185212

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 37255680

約数和(自身を除く): 18070468

約数列:

[1, 2, 4, 19, 38, 41, 47, 76, 82, 94, 131, 164, 188, 262, 524, 779, 893, 1558, 1786, 1927, 2489, 3116, 3572, 3854, 4978, 5371, 6157, 7708, 9956, 10742, 12314, 21484, 24628, 36613, 73226, 102049, 116983, 146452, 204098, 233966, 252437, 408196, 467932, 504874, 1009748, 4796303, 9592606, 19185212]

約数ペア:

[(1, 19185212), (2, 9592606), (4, 4796303), (19, 1009748), (38, 504874), (41, 467932), (47, 408196), (76, 252437), (82, 233966), (94, 204098), (131, 146452), (164, 116983), (188, 102049), (262, 73226), (524, 36613), (779, 24628), (893, 21484), (1558, 12314), (1786, 10742), (1927, 9956), (2489, 7708), (3116, 6157), (3572, 5371), (3854, 4978)]