19200675

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 34997760

約数和(自身を除く): 15797085

約数列:

[1, 3, 5, 13, 15, 25, 39, 47, 65, 75, 141, 195, 235, 325, 419, 611, 705, 975, 1175, 1257, 1833, 2095, 3055, 3525, 5447, 6285, 9165, 10475, 15275, 16341, 19693, 27235, 31425, 45825, 59079, 81705, 98465, 136175, 256009, 295395, 408525, 492325, 768027, 1280045, 1476975, 3840135, 6400225, 19200675]

約数ペア:

[(1, 19200675), (3, 6400225), (5, 3840135), (13, 1476975), (15, 1280045), (25, 768027), (39, 492325), (47, 408525), (65, 295395), (75, 256009), (141, 136175), (195, 98465), (235, 81705), (325, 59079), (419, 45825), (611, 31425), (705, 27235), (975, 19693), (1175, 16341), (1257, 15275), (1833, 10475), (2095, 9165), (3055, 6285), (3525, 5447)]