19231515

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{271}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 35642880

約数和(自身を除く): 16411365

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 83, 95, 171, 249, 271, 285, 415, 747, 813, 855, 1245, 1355, 1577, 2439, 3735, 4065, 4731, 5149, 7885, 12195, 14193, 15447, 22493, 23655, 25745, 46341, 67479, 70965, 77235, 112465, 202437, 231705, 337395, 427367, 1012185, 1282101, 2136835, 3846303, 6410505, 19231515]

約数ペア:

[(1, 19231515), (3, 6410505), (5, 3846303), (9, 2136835), (15, 1282101), (19, 1012185), (45, 427367), (57, 337395), (83, 231705), (95, 202437), (171, 112465), (249, 77235), (271, 70965), (285, 67479), (415, 46341), (747, 25745), (813, 23655), (855, 22493), (1245, 15447), (1355, 14193), (1577, 12195), (2439, 7885), (3735, 5149), (4065, 4731)]