19907776

素因数分解:

$2^6\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1201}}^1$

素因数の和:1257

約数の個数: 56

約数和(自身を含む): 46406816

約数和(自身を除く): 26499040

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 64, 74, 112, 148, 224, 259, 296, 448, 518, 592, 1036, 1184, 1201, 2072, 2368, 2402, 4144, 4804, 8288, 8407, 9608, 16576, 16814, 19216, 33628, 38432, 44437, 67256, 76864, 88874, 134512, 177748, 269024, 311059, 355496, 538048, 622118, 710992, 1244236, 1421984, 2488472, 2843968, 4976944, 9953888, 19907776]

約数ペア:

[(1, 19907776), (2, 9953888), (4, 4976944), (7, 2843968), (8, 2488472), (14, 1421984), (16, 1244236), (28, 710992), (32, 622118), (37, 538048), (56, 355496), (64, 311059), (74, 269024), (112, 177748), (148, 134512), (224, 88874), (259, 76864), (296, 67256), (448, 44437), (518, 38432), (592, 33628), (1036, 19216), (1184, 16814), (1201, 16576), (2072, 9608), (2368, 8407), (2402, 8288), (4144, 4804)]