18109924

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{461}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 38497536

約数和(自身を除く): 20387612

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 61, 92, 122, 161, 244, 322, 427, 461, 644, 854, 922, 1403, 1708, 1844, 2806, 3227, 5612, 6454, 9821, 10603, 12908, 19642, 21206, 28121, 39284, 42412, 56242, 74221, 112484, 148442, 196847, 296884, 393694, 646783, 787388, 1293566, 2587132, 4527481, 9054962, 18109924]

約数ペア:

[(1, 18109924), (2, 9054962), (4, 4527481), (7, 2587132), (14, 1293566), (23, 787388), (28, 646783), (46, 393694), (61, 296884), (92, 196847), (122, 148442), (161, 112484), (244, 74221), (322, 56242), (427, 42412), (461, 39284), (644, 28121), (854, 21206), (922, 19642), (1403, 12908), (1708, 10603), (1844, 9821), (2806, 6454), (3227, 5612)]