18958688

素因数分解:

$2^5\times 7^2\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:244

約数の個数: 72

約数和(自身を含む): 44212392

約数和(自身を除く): 25253704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 107, 112, 113, 196, 214, 224, 226, 392, 428, 452, 749, 784, 791, 856, 904, 1498, 1568, 1582, 1712, 1808, 2996, 3164, 3424, 3616, 5243, 5537, 5992, 6328, 10486, 11074, 11984, 12091, 12656, 20972, 22148, 23968, 24182, 25312, 41944, 44296, 48364, 83888, 84637, 88592, 96728, 167776, 169274, 177184, 193456, 338548, 386912, 592459, 677096, 1184918, 1354192, 2369836, 2708384, 4739672, 9479344, 18958688]

約数ペア:

[(1, 18958688), (2, 9479344), (4, 4739672), (7, 2708384), (8, 2369836), (14, 1354192), (16, 1184918), (28, 677096), (32, 592459), (49, 386912), (56, 338548), (98, 193456), (107, 177184), (112, 169274), (113, 167776), (196, 96728), (214, 88592), (224, 84637), (226, 83888), (392, 48364), (428, 44296), (452, 41944), (749, 25312), (784, 24182), (791, 23968), (856, 22148), (904, 20972), (1498, 12656), (1568, 12091), (1582, 11984), (1712, 11074), (1808, 10486), (2996, 6328), (3164, 5992), (3424, 5537), (3616, 5243)]