18993330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{883}}^1$

素因数の和:1135

約数の個数: 48

約数和(自身を含む): 49645440

約数和(自身を除く): 30652110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 239, 478, 717, 883, 1195, 1434, 1766, 2151, 2390, 2649, 3585, 4302, 4415, 5298, 7170, 7947, 8830, 10755, 13245, 15894, 21510, 26490, 39735, 79470, 211037, 422074, 633111, 1055185, 1266222, 1899333, 2110370, 3165555, 3798666, 6331110, 9496665, 18993330]

約数ペア:

[(1, 18993330), (2, 9496665), (3, 6331110), (5, 3798666), (6, 3165555), (9, 2110370), (10, 1899333), (15, 1266222), (18, 1055185), (30, 633111), (45, 422074), (90, 211037), (239, 79470), (478, 39735), (717, 26490), (883, 21510), (1195, 15894), (1434, 13245), (1766, 10755), (2151, 8830), (2390, 7947), (2649, 7170), (3585, 5298), (4302, 4415)]