19802272

素因数分解:

$2^5\times 7^2\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:270

約数の個数: 72

約数和(自身を含む): 46237716

約数和(自身を除く): 26435444

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 73, 98, 112, 146, 173, 196, 224, 292, 346, 392, 511, 584, 692, 784, 1022, 1168, 1211, 1384, 1568, 2044, 2336, 2422, 2768, 3577, 4088, 4844, 5536, 7154, 8176, 8477, 9688, 12629, 14308, 16352, 16954, 19376, 25258, 28616, 33908, 38752, 50516, 57232, 67816, 88403, 101032, 114464, 135632, 176806, 202064, 271264, 353612, 404128, 618821, 707224, 1237642, 1414448, 2475284, 2828896, 4950568, 9901136, 19802272]

約数ペア:

[(1, 19802272), (2, 9901136), (4, 4950568), (7, 2828896), (8, 2475284), (14, 1414448), (16, 1237642), (28, 707224), (32, 618821), (49, 404128), (56, 353612), (73, 271264), (98, 202064), (112, 176806), (146, 135632), (173, 114464), (196, 101032), (224, 88403), (292, 67816), (346, 57232), (392, 50516), (511, 38752), (584, 33908), (692, 28616), (784, 25258), (1022, 19376), (1168, 16954), (1211, 16352), (1384, 14308), (1568, 12629), (2044, 9688), (2336, 8477), (2422, 8176), (2768, 7154), (3577, 5536), (4088, 4844)]