18449925

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 33331200

約数和(自身を除く): 14881275

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 127, 149, 195, 325, 381, 447, 635, 745, 975, 1651, 1905, 1937, 2235, 3175, 3725, 4953, 5811, 8255, 9525, 9685, 11175, 18923, 24765, 29055, 41275, 48425, 56769, 94615, 123825, 145275, 245999, 283845, 473075, 737997, 1229995, 1419225, 3689985, 6149975, 18449925]

約数ペア:

[(1, 18449925), (3, 6149975), (5, 3689985), (13, 1419225), (15, 1229995), (25, 737997), (39, 473075), (65, 283845), (75, 245999), (127, 145275), (149, 123825), (195, 94615), (325, 56769), (381, 48425), (447, 41275), (635, 29055), (745, 24765), (975, 18923), (1651, 11175), (1905, 9685), (1937, 9525), (2235, 8255), (3175, 5811), (3725, 4953)]