19249736

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1$

素因数の和:462

約数の個数: 64

約数和(自身を含む): 42984000

約数和(自身を除く): 23734264

約数列:

[1, 2, 4, 8, 11, 19, 22, 29, 38, 44, 58, 76, 88, 116, 152, 209, 232, 319, 397, 418, 551, 638, 794, 836, 1102, 1276, 1588, 1672, 2204, 2552, 3176, 4367, 4408, 6061, 7543, 8734, 11513, 12122, 15086, 17468, 23026, 24244, 30172, 34936, 46052, 48488, 60344, 82973, 92104, 126643, 165946, 218747, 253286, 331892, 437494, 506572, 663784, 874988, 1013144, 1749976, 2406217, 4812434, 9624868, 19249736]

約数ペア:

[(1, 19249736), (2, 9624868), (4, 4812434), (8, 2406217), (11, 1749976), (19, 1013144), (22, 874988), (29, 663784), (38, 506572), (44, 437494), (58, 331892), (76, 253286), (88, 218747), (116, 165946), (152, 126643), (209, 92104), (232, 82973), (319, 60344), (397, 48488), (418, 46052), (551, 34936), (638, 30172), (794, 24244), (836, 23026), (1102, 17468), (1276, 15086), (1588, 12122), (1672, 11513), (2204, 8734), (2552, 7543), (3176, 6061), (4367, 4408)]