19899888

素因数分解:

$2^4\times 3^1\times {\mathrm{607}}^1\times {\mathrm{683}}^1$

素因数の和:1301

約数の個数: 40

約数和(自身を含む): 51568128

約数和(自身を除く): 31668240

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 607, 683, 1214, 1366, 1821, 2049, 2428, 2732, 3642, 4098, 4856, 5464, 7284, 8196, 9712, 10928, 14568, 16392, 29136, 32784, 414581, 829162, 1243743, 1658324, 2487486, 3316648, 4974972, 6633296, 9949944, 19899888]

約数ペア:

[(1, 19899888), (2, 9949944), (3, 6633296), (4, 4974972), (6, 3316648), (8, 2487486), (12, 1658324), (16, 1243743), (24, 829162), (48, 414581), (607, 32784), (683, 29136), (1214, 16392), (1366, 14568), (1821, 10928), (2049, 9712), (2428, 8196), (2732, 7284), (3642, 5464), (4098, 4856)]