19867552

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:389

約数の個数: 48

約数和(自身を含む): 41126400

約数和(自身を除く): 21258848

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 79, 116, 158, 232, 271, 316, 464, 542, 632, 928, 1084, 1264, 2168, 2291, 2528, 4336, 4582, 7859, 8672, 9164, 15718, 18328, 21409, 31436, 36656, 42818, 62872, 73312, 85636, 125744, 171272, 251488, 342544, 620861, 685088, 1241722, 2483444, 4966888, 9933776, 19867552]

約数ペア:

[(1, 19867552), (2, 9933776), (4, 4966888), (8, 2483444), (16, 1241722), (29, 685088), (32, 620861), (58, 342544), (79, 251488), (116, 171272), (158, 125744), (232, 85636), (271, 73312), (316, 62872), (464, 42818), (542, 36656), (632, 31436), (928, 21409), (1084, 18328), (1264, 15718), (2168, 9164), (2291, 8672), (2528, 7859), (4336, 4582)]