19278560

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{2459}}^1$

素因数の和:2488

約数の個数: 72

約数和(自身を含む): 53003160

約数和(自身を除く): 33724600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 2459, 3920, 4918, 7840, 9836, 12295, 17213, 19672, 24590, 34426, 39344, 49180, 68852, 78688, 86065, 98360, 120491, 137704, 172130, 196720, 240982, 275408, 344260, 393440, 481964, 550816, 602455, 688520, 963928, 1204910, 1377040, 1927856, 2409820, 2754080, 3855712, 4819640, 9639280, 19278560]

約数ペア:

[(1, 19278560), (2, 9639280), (4, 4819640), (5, 3855712), (7, 2754080), (8, 2409820), (10, 1927856), (14, 1377040), (16, 1204910), (20, 963928), (28, 688520), (32, 602455), (35, 550816), (40, 481964), (49, 393440), (56, 344260), (70, 275408), (80, 240982), (98, 196720), (112, 172130), (140, 137704), (160, 120491), (196, 98360), (224, 86065), (245, 78688), (280, 68852), (392, 49180), (490, 39344), (560, 34426), (784, 24590), (980, 19672), (1120, 17213), (1568, 12295), (1960, 9836), (2459, 7840), (3920, 4918)]