19204402

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:167

約数の個数: 64

約数和(自身を含む): 37509120

約数和(自身を除く): 18304718

約数列:

[1, 2, 7, 14, 19, 23, 38, 43, 46, 73, 86, 133, 146, 161, 266, 301, 322, 437, 511, 602, 817, 874, 989, 1022, 1387, 1634, 1679, 1978, 2774, 3059, 3139, 3358, 5719, 6118, 6278, 6923, 9709, 11438, 11753, 13846, 18791, 19418, 21973, 23506, 31901, 37582, 43946, 59641, 63802, 72197, 119282, 131537, 144394, 223307, 263074, 417487, 446614, 505379, 834974, 1010758, 1371743, 2743486, 9602201, 19204402]

約数ペア:

[(1, 19204402), (2, 9602201), (7, 2743486), (14, 1371743), (19, 1010758), (23, 834974), (38, 505379), (43, 446614), (46, 417487), (73, 263074), (86, 223307), (133, 144394), (146, 131537), (161, 119282), (266, 72197), (301, 63802), (322, 59641), (437, 43946), (511, 37582), (602, 31901), (817, 23506), (874, 21973), (989, 19418), (1022, 18791), (1387, 13846), (1634, 11753), (1679, 11438), (1978, 9709), (2774, 6923), (3059, 6278), (3139, 6118), (3358, 5719)]