19284525

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:395

約数の個数: 72

約数和(自身を含む): 39268320

約数和(自身を除く): 19983795

約数列:

[1, 3, 5, 9, 13, 15, 19, 25, 39, 45, 57, 65, 75, 95, 117, 171, 195, 225, 247, 285, 325, 347, 475, 585, 741, 855, 975, 1041, 1235, 1425, 1735, 2223, 2925, 3123, 3705, 4275, 4511, 5205, 6175, 6593, 8675, 11115, 13533, 15615, 18525, 19779, 22555, 26025, 32965, 40599, 55575, 59337, 67665, 78075, 85709, 98895, 112775, 164825, 202995, 257127, 296685, 338325, 428545, 494475, 771381, 1014975, 1285635, 1483425, 2142725, 3856905, 6428175, 19284525]

約数ペア:

[(1, 19284525), (3, 6428175), (5, 3856905), (9, 2142725), (13, 1483425), (15, 1285635), (19, 1014975), (25, 771381), (39, 494475), (45, 428545), (57, 338325), (65, 296685), (75, 257127), (95, 202995), (117, 164825), (171, 112775), (195, 98895), (225, 85709), (247, 78075), (285, 67665), (325, 59337), (347, 55575), (475, 40599), (585, 32965), (741, 26025), (855, 22555), (975, 19779), (1041, 18525), (1235, 15615), (1425, 13533), (1735, 11115), (2223, 8675), (2925, 6593), (3123, 6175), (3705, 5205), (4275, 4511)]