18930460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1607}}^1$

素因数の和:1666

約数の個数: 48

約数和(自身を含む): 43223040

約数和(自身を除く): 24292580

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 1607, 2356, 2945, 3214, 5890, 6428, 8035, 11780, 16070, 30533, 32140, 49817, 61066, 99634, 122132, 152665, 199268, 249085, 305330, 498170, 610660, 946523, 996340, 1893046, 3786092, 4732615, 9465230, 18930460]

約数ペア:

[(1, 18930460), (2, 9465230), (4, 4732615), (5, 3786092), (10, 1893046), (19, 996340), (20, 946523), (31, 610660), (38, 498170), (62, 305330), (76, 249085), (95, 199268), (124, 152665), (155, 122132), (190, 99634), (310, 61066), (380, 49817), (589, 32140), (620, 30533), (1178, 16070), (1607, 11780), (2356, 8035), (2945, 6428), (3214, 5890)]