18626320

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:280

約数の個数: 80

約数和(自身を含む): 46282752

約数和(自身を除く): 27656432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 53, 80, 92, 106, 115, 184, 191, 212, 230, 265, 368, 382, 424, 460, 530, 764, 848, 920, 955, 1060, 1219, 1528, 1840, 1910, 2120, 2438, 3056, 3820, 4240, 4393, 4876, 6095, 7640, 8786, 9752, 10123, 12190, 15280, 17572, 19504, 20246, 21965, 24380, 35144, 40492, 43930, 48760, 50615, 70288, 80984, 87860, 97520, 101230, 161968, 175720, 202460, 232829, 351440, 404920, 465658, 809840, 931316, 1164145, 1862632, 2328290, 3725264, 4656580, 9313160, 18626320]

約数ペア:

[(1, 18626320), (2, 9313160), (4, 4656580), (5, 3725264), (8, 2328290), (10, 1862632), (16, 1164145), (20, 931316), (23, 809840), (40, 465658), (46, 404920), (53, 351440), (80, 232829), (92, 202460), (106, 175720), (115, 161968), (184, 101230), (191, 97520), (212, 87860), (230, 80984), (265, 70288), (368, 50615), (382, 48760), (424, 43930), (460, 40492), (530, 35144), (764, 24380), (848, 21965), (920, 20246), (955, 19504), (1060, 17572), (1219, 15280), (1528, 12190), (1840, 10123), (1910, 9752), (2120, 8786), (2438, 7640), (3056, 6095), (3820, 4876), (4240, 4393)]