19667660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{709}}^1$

素因数の和:810

約数の個数: 48

約数和(自身を含む): 44133600

約数和(自身を除く): 24465940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 709, 730, 1387, 1418, 1460, 2774, 2836, 3545, 5548, 6935, 7090, 13471, 13870, 14180, 26942, 27740, 51757, 53884, 67355, 103514, 134710, 207028, 258785, 269420, 517570, 983383, 1035140, 1966766, 3933532, 4916915, 9833830, 19667660]

約数ペア:

[(1, 19667660), (2, 9833830), (4, 4916915), (5, 3933532), (10, 1966766), (19, 1035140), (20, 983383), (38, 517570), (73, 269420), (76, 258785), (95, 207028), (146, 134710), (190, 103514), (292, 67355), (365, 53884), (380, 51757), (709, 27740), (730, 26942), (1387, 14180), (1418, 13870), (1460, 13471), (2774, 7090), (2836, 6935), (3545, 5548)]