19659184

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:397

約数の個数: 40

約数和(自身を含む): 39372480

約数和(自身を除く): 19713296

約数列:

[1, 2, 4, 8, 16, 53, 97, 106, 194, 212, 239, 388, 424, 478, 776, 848, 956, 1552, 1912, 3824, 5141, 10282, 12667, 20564, 23183, 25334, 41128, 46366, 50668, 82256, 92732, 101336, 185464, 202672, 370928, 1228699, 2457398, 4914796, 9829592, 19659184]

約数ペア:

[(1, 19659184), (2, 9829592), (4, 4914796), (8, 2457398), (16, 1228699), (53, 370928), (97, 202672), (106, 185464), (194, 101336), (212, 92732), (239, 82256), (388, 50668), (424, 46366), (478, 41128), (776, 25334), (848, 23183), (956, 20564), (1552, 12667), (1912, 10282), (3824, 5141)]