19154025

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:207

約数の個数: 72

約数和(自身を含む): 38301120

約数和(自身を除く): 19147095

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 71, 75, 99, 109, 165, 213, 225, 275, 327, 355, 495, 545, 639, 781, 825, 981, 1065, 1199, 1635, 1775, 2343, 2475, 2725, 3195, 3597, 3905, 4905, 5325, 5995, 7029, 7739, 8175, 10791, 11715, 15975, 17985, 19525, 23217, 24525, 29975, 35145, 38695, 53955, 58575, 69651, 85129, 89925, 116085, 175725, 193475, 255387, 269775, 348255, 425645, 580425, 766161, 1276935, 1741275, 2128225, 3830805, 6384675, 19154025]

約数ペア:

[(1, 19154025), (3, 6384675), (5, 3830805), (9, 2128225), (11, 1741275), (15, 1276935), (25, 766161), (33, 580425), (45, 425645), (55, 348255), (71, 269775), (75, 255387), (99, 193475), (109, 175725), (165, 116085), (213, 89925), (225, 85129), (275, 69651), (327, 58575), (355, 53955), (495, 38695), (545, 35145), (639, 29975), (781, 24525), (825, 23217), (981, 19525), (1065, 17985), (1199, 15975), (1635, 11715), (1775, 10791), (2343, 8175), (2475, 7739), (2725, 7029), (3195, 5995), (3597, 5325), (3905, 4905)]