19039995

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1$

素因数の和:617

約数の個数: 64

約数和(自身を含む): 38438400

約数和(自身を除く): 19398405

約数列:

[1, 3, 5, 9, 13, 15, 19, 27, 39, 45, 57, 65, 95, 117, 135, 171, 195, 247, 285, 351, 513, 571, 585, 741, 855, 1235, 1713, 1755, 2223, 2565, 2855, 3705, 5139, 6669, 7423, 8565, 10849, 11115, 15417, 22269, 25695, 32547, 33345, 37115, 54245, 66807, 77085, 97641, 111345, 141037, 162735, 200421, 292923, 334035, 423111, 488205, 705185, 1002105, 1269333, 1464615, 2115555, 3807999, 6346665, 19039995]

約数ペア:

[(1, 19039995), (3, 6346665), (5, 3807999), (9, 2115555), (13, 1464615), (15, 1269333), (19, 1002105), (27, 705185), (39, 488205), (45, 423111), (57, 334035), (65, 292923), (95, 200421), (117, 162735), (135, 141037), (171, 111345), (195, 97641), (247, 77085), (285, 66807), (351, 54245), (513, 37115), (571, 33345), (585, 32547), (741, 25695), (855, 22269), (1235, 15417), (1713, 11115), (1755, 10849), (2223, 8565), (2565, 7423), (2855, 6669), (3705, 5139)]