19693184

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1$

素因数の和:761

約数の個数: 64

約数和(自身を含む): 46348800

約数和(自身を除く): 26655616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 434, 448, 496, 709, 868, 896, 992, 1418, 1736, 1984, 2836, 3472, 3968, 4963, 5672, 6944, 9926, 11344, 13888, 19852, 21979, 22688, 27776, 39704, 43958, 45376, 79408, 87916, 90752, 153853, 158816, 175832, 307706, 317632, 351664, 615412, 635264, 703328, 1230824, 1406656, 2461648, 2813312, 4923296, 9846592, 19693184]

約数ペア:

[(1, 19693184), (2, 9846592), (4, 4923296), (7, 2813312), (8, 2461648), (14, 1406656), (16, 1230824), (28, 703328), (31, 635264), (32, 615412), (56, 351664), (62, 317632), (64, 307706), (112, 175832), (124, 158816), (128, 153853), (217, 90752), (224, 87916), (248, 79408), (434, 45376), (448, 43958), (496, 39704), (709, 27776), (868, 22688), (896, 21979), (992, 19852), (1418, 13888), (1736, 11344), (1984, 9926), (2836, 6944), (3472, 5672), (3968, 4963)]