19464237

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:290

約数の個数: 36

約数和(自身を含む): 31060224

約数和(自身を除く): 11595987

約数列:

[1, 3, 9, 13, 39, 67, 117, 169, 191, 201, 507, 573, 603, 871, 1521, 1719, 2483, 2613, 7449, 7839, 11323, 12797, 22347, 32279, 33969, 38391, 96837, 101907, 115173, 166361, 290511, 499083, 1497249, 2162693, 6488079, 19464237]

約数ペア:

[(1, 19464237), (3, 6488079), (9, 2162693), (13, 1497249), (39, 499083), (67, 290511), (117, 166361), (169, 115173), (191, 101907), (201, 96837), (507, 38391), (573, 33969), (603, 32279), (871, 22347), (1521, 12797), (1719, 11323), (2483, 7839), (2613, 7449)]