19399275

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 40428960

約数和(自身を除く): 21029685

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 109, 113, 175, 225, 315, 327, 339, 525, 545, 565, 763, 791, 981, 1017, 1575, 1635, 1695, 2289, 2373, 2725, 2825, 3815, 3955, 4905, 5085, 6867, 7119, 8175, 8475, 11445, 11865, 12317, 19075, 19775, 24525, 25425, 34335, 35595, 36951, 57225, 59325, 61585, 86219, 110853, 171675, 177975, 184755, 258657, 307925, 431095, 554265, 775971, 923775, 1293285, 2155475, 2771325, 3879855, 6466425, 19399275]

約数ペア:

[(1, 19399275), (3, 6466425), (5, 3879855), (7, 2771325), (9, 2155475), (15, 1293285), (21, 923775), (25, 775971), (35, 554265), (45, 431095), (63, 307925), (75, 258657), (105, 184755), (109, 177975), (113, 171675), (175, 110853), (225, 86219), (315, 61585), (327, 59325), (339, 57225), (525, 36951), (545, 35595), (565, 34335), (763, 25425), (791, 24525), (981, 19775), (1017, 19075), (1575, 12317), (1635, 11865), (1695, 11445), (2289, 8475), (2373, 8175), (2725, 7119), (2825, 6867), (3815, 5085), (3955, 4905)]