18906852

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{439}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 45879680

約数和(自身を除く): 26972828

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 97, 111, 148, 194, 222, 291, 388, 439, 444, 582, 878, 1164, 1317, 1756, 2634, 3589, 5268, 7178, 10767, 14356, 16243, 21534, 32486, 42583, 43068, 48729, 64972, 85166, 97458, 127749, 170332, 194916, 255498, 510996, 1575571, 3151142, 4726713, 6302284, 9453426, 18906852]

約数ペア:

[(1, 18906852), (2, 9453426), (3, 6302284), (4, 4726713), (6, 3151142), (12, 1575571), (37, 510996), (74, 255498), (97, 194916), (111, 170332), (148, 127749), (194, 97458), (222, 85166), (291, 64972), (388, 48729), (439, 43068), (444, 42583), (582, 32486), (878, 21534), (1164, 16243), (1317, 14356), (1756, 10767), (2634, 7178), (3589, 5268)]