19343805

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 36771840

約数和(自身を除く): 17428035

約数列:

[1, 3, 5, 13, 15, 19, 23, 39, 57, 65, 69, 95, 115, 195, 227, 247, 285, 299, 345, 437, 681, 741, 897, 1135, 1235, 1311, 1495, 2185, 2951, 3405, 3705, 4313, 4485, 5221, 5681, 6555, 8853, 12939, 14755, 15663, 17043, 21565, 26105, 28405, 44265, 56069, 64695, 67873, 78315, 85215, 99199, 168207, 203619, 280345, 297597, 339365, 495995, 841035, 1018095, 1289587, 1487985, 3868761, 6447935, 19343805]

約数ペア:

[(1, 19343805), (3, 6447935), (5, 3868761), (13, 1487985), (15, 1289587), (19, 1018095), (23, 841035), (39, 495995), (57, 339365), (65, 297597), (69, 280345), (95, 203619), (115, 168207), (195, 99199), (227, 85215), (247, 78315), (285, 67873), (299, 64695), (345, 56069), (437, 44265), (681, 28405), (741, 26105), (897, 21565), (1135, 17043), (1235, 15663), (1311, 14755), (1495, 12939), (2185, 8853), (2951, 6555), (3405, 5681), (3705, 5221), (4313, 4485)]