18579285

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{619}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 34819200

約数和(自身を除く): 16239915

約数列:

[1, 3, 5, 9, 15, 23, 29, 45, 69, 87, 115, 145, 207, 261, 345, 435, 619, 667, 1035, 1305, 1857, 2001, 3095, 3335, 5571, 6003, 9285, 10005, 14237, 17951, 27855, 30015, 42711, 53853, 71185, 89755, 128133, 161559, 213555, 269265, 412873, 640665, 807795, 1238619, 2064365, 3715857, 6193095, 18579285]

約数ペア:

[(1, 18579285), (3, 6193095), (5, 3715857), (9, 2064365), (15, 1238619), (23, 807795), (29, 640665), (45, 412873), (69, 269265), (87, 213555), (115, 161559), (145, 128133), (207, 89755), (261, 71185), (345, 53853), (435, 42711), (619, 30015), (667, 27855), (1035, 17951), (1305, 14237), (1857, 10005), (2001, 9285), (3095, 6003), (3335, 5571)]