19169145

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 35390160

約数和(自身を除く): 16221015

約数列:

[1, 3, 5, 9, 15, 29, 37, 45, 87, 111, 145, 185, 261, 333, 397, 435, 555, 1073, 1191, 1305, 1665, 1985, 3219, 3573, 5365, 5955, 9657, 11513, 14689, 16095, 17865, 34539, 44067, 48285, 57565, 73445, 103617, 132201, 172695, 220335, 425981, 518085, 661005, 1277943, 2129905, 3833829, 6389715, 19169145]

約数ペア:

[(1, 19169145), (3, 6389715), (5, 3833829), (9, 2129905), (15, 1277943), (29, 661005), (37, 518085), (45, 425981), (87, 220335), (111, 172695), (145, 132201), (185, 103617), (261, 73445), (333, 57565), (397, 48285), (435, 44067), (555, 34539), (1073, 17865), (1191, 16095), (1305, 14689), (1665, 11513), (1985, 9657), (3219, 5955), (3573, 5365)]