19117605

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:190

約数の個数: 64

約数和(自身を含む): 35804160

約数和(自身を除く): 16686555

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 73, 79, 85, 195, 219, 221, 237, 255, 365, 395, 663, 949, 1027, 1095, 1105, 1185, 1241, 1343, 2847, 3081, 3315, 3723, 4029, 4745, 5135, 5767, 6205, 6715, 14235, 15405, 16133, 17301, 17459, 18615, 20145, 28835, 48399, 52377, 74971, 80665, 86505, 87295, 98039, 224913, 241995, 261885, 294117, 374855, 490195, 1124565, 1274507, 1470585, 3823521, 6372535, 19117605]

約数ペア:

[(1, 19117605), (3, 6372535), (5, 3823521), (13, 1470585), (15, 1274507), (17, 1124565), (39, 490195), (51, 374855), (65, 294117), (73, 261885), (79, 241995), (85, 224913), (195, 98039), (219, 87295), (221, 86505), (237, 80665), (255, 74971), (365, 52377), (395, 48399), (663, 28835), (949, 20145), (1027, 18615), (1095, 17459), (1105, 17301), (1185, 16133), (1241, 15405), (1343, 14235), (2847, 6715), (3081, 6205), (3315, 5767), (3723, 5135), (4029, 4745)]