19328085

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 39836160

約数和(自身を除く): 20508075

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 113, 135, 181, 189, 315, 339, 543, 565, 791, 905, 945, 1017, 1267, 1629, 1695, 2373, 2715, 3051, 3801, 3955, 4887, 5085, 6335, 7119, 8145, 11403, 11865, 15255, 19005, 20453, 21357, 24435, 34209, 35595, 57015, 61359, 102265, 106785, 143171, 171045, 184077, 306795, 429513, 552231, 715855, 920385, 1288539, 2147565, 2761155, 3865617, 6442695, 19328085]

約数ペア:

[(1, 19328085), (3, 6442695), (5, 3865617), (7, 2761155), (9, 2147565), (15, 1288539), (21, 920385), (27, 715855), (35, 552231), (45, 429513), (63, 306795), (105, 184077), (113, 171045), (135, 143171), (181, 106785), (189, 102265), (315, 61359), (339, 57015), (543, 35595), (565, 34209), (791, 24435), (905, 21357), (945, 20453), (1017, 19005), (1267, 15255), (1629, 11865), (1695, 11403), (2373, 8145), (2715, 7119), (3051, 6335), (3801, 5085), (3955, 4887)]