19295289

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 32432400

約数和(自身を除く): 13137111

約数列:

[1, 3, 9, 13, 17, 39, 51, 89, 109, 117, 153, 221, 267, 327, 663, 801, 981, 1157, 1417, 1513, 1853, 1989, 3471, 4251, 4539, 5559, 9701, 10413, 12753, 13617, 16677, 19669, 24089, 29103, 59007, 72267, 87309, 126113, 164917, 177021, 216801, 378339, 494751, 1135017, 1484253, 2143921, 6431763, 19295289]

約数ペア:

[(1, 19295289), (3, 6431763), (9, 2143921), (13, 1484253), (17, 1135017), (39, 494751), (51, 378339), (89, 216801), (109, 177021), (117, 164917), (153, 126113), (221, 87309), (267, 72267), (327, 59007), (663, 29103), (801, 24089), (981, 19669), (1157, 16677), (1417, 13617), (1513, 12753), (1853, 10413), (1989, 9701), (3471, 5559), (4251, 4539)]