19201883344

素因数分解:

$2^4\times 7^1\times {\mathrm{2437}}^1\times {\mathrm{70351}}^1$

素因数の和:72803

約数の個数: 40

約数和(自身を含む): 42536507648

約数和(自身を除く): 23334624304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2437, 4874, 9748, 17059, 19496, 34118, 38992, 68236, 70351, 136472, 140702, 272944, 281404, 492457, 562808, 984914, 1125616, 1969828, 3939656, 7879312, 171445387, 342890774, 685781548, 1200117709, 1371563096, 2400235418, 2743126192, 4800470836, 9600941672, 19201883344]

約数ペア:

[(1, 19201883344), (2, 9600941672), (4, 4800470836), (7, 2743126192), (8, 2400235418), (14, 1371563096), (16, 1200117709), (28, 685781548), (56, 342890774), (112, 171445387), (2437, 7879312), (4874, 3939656), (9748, 1969828), (17059, 1125616), (19496, 984914), (34118, 562808), (38992, 492457), (68236, 281404), (70351, 272944), (136472, 140702)]