18427815

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3079}}^1$

素因数の和:3116

約数の個数: 48

約数和(自身を含む): 38438400

約数和(自身を除く): 20010585

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1995, 3079, 5985, 9237, 15395, 21553, 27711, 46185, 58501, 64659, 107765, 138555, 175503, 193977, 292505, 323295, 409507, 526509, 877515, 969885, 1228521, 2047535, 2632545, 3685563, 6142605, 18427815]

約数ペア:

[(1, 18427815), (3, 6142605), (5, 3685563), (7, 2632545), (9, 2047535), (15, 1228521), (19, 969885), (21, 877515), (35, 526509), (45, 409507), (57, 323295), (63, 292505), (95, 193977), (105, 175503), (133, 138555), (171, 107765), (285, 64659), (315, 58501), (399, 46185), (665, 27711), (855, 21553), (1197, 15395), (1995, 9237), (3079, 5985)]