19730816

素因数分解:

$2^7\times 7^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1$

素因数の和:120

約数の個数: 96

約数和(自身を含む): 48188880

約数和(自身を除く): 28458064

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 61, 64, 76, 112, 122, 128, 133, 152, 224, 244, 266, 304, 361, 427, 448, 488, 532, 608, 722, 854, 896, 976, 1064, 1159, 1216, 1444, 1708, 1952, 2128, 2318, 2432, 2527, 2888, 3416, 3904, 4256, 4636, 5054, 5776, 6832, 7808, 8113, 8512, 9272, 10108, 11552, 13664, 16226, 17024, 18544, 20216, 22021, 23104, 27328, 32452, 37088, 40432, 44042, 46208, 54656, 64904, 74176, 80864, 88084, 129808, 148352, 154147, 161728, 176168, 259616, 308294, 323456, 352336, 519232, 616588, 704672, 1038464, 1233176, 1409344, 2466352, 2818688, 4932704, 9865408, 19730816]

約数ペア:

[(1, 19730816), (2, 9865408), (4, 4932704), (7, 2818688), (8, 2466352), (14, 1409344), (16, 1233176), (19, 1038464), (28, 704672), (32, 616588), (38, 519232), (56, 352336), (61, 323456), (64, 308294), (76, 259616), (112, 176168), (122, 161728), (128, 154147), (133, 148352), (152, 129808), (224, 88084), (244, 80864), (266, 74176), (304, 64904), (361, 54656), (427, 46208), (448, 44042), (488, 40432), (532, 37088), (608, 32452), (722, 27328), (854, 23104), (896, 22021), (976, 20216), (1064, 18544), (1159, 17024), (1216, 16226), (1444, 13664), (1708, 11552), (1952, 10108), (2128, 9272), (2318, 8512), (2432, 8113), (2527, 7808), (2888, 6832), (3416, 5776), (3904, 5054), (4256, 4636)]