19932416

素因数分解:

$2^8\times 7^3\times {\mathrm{227}}^1$

素因数の和:264

約数の個数: 72

約数和(自身を含む): 46603200

約数和(自身を除く): 26670784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 227, 256, 343, 392, 448, 454, 686, 784, 896, 908, 1372, 1568, 1589, 1792, 1816, 2744, 3136, 3178, 3632, 5488, 6272, 6356, 7264, 10976, 11123, 12544, 12712, 14528, 21952, 22246, 25424, 29056, 43904, 44492, 50848, 58112, 77861, 87808, 88984, 101696, 155722, 177968, 203392, 311444, 355936, 406784, 622888, 711872, 1245776, 1423744, 2491552, 2847488, 4983104, 9966208, 19932416]

約数ペア:

[(1, 19932416), (2, 9966208), (4, 4983104), (7, 2847488), (8, 2491552), (14, 1423744), (16, 1245776), (28, 711872), (32, 622888), (49, 406784), (56, 355936), (64, 311444), (98, 203392), (112, 177968), (128, 155722), (196, 101696), (224, 88984), (227, 87808), (256, 77861), (343, 58112), (392, 50848), (448, 44492), (454, 43904), (686, 29056), (784, 25424), (896, 22246), (908, 21952), (1372, 14528), (1568, 12712), (1589, 12544), (1792, 11123), (1816, 10976), (2744, 7264), (3136, 6356), (3178, 6272), (3632, 5488)]