18312050

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:287

約数の個数: 48

約数和(自身を含む): 35924040

約数和(自身を除く): 17611990

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 73, 145, 146, 173, 290, 346, 365, 725, 730, 865, 1450, 1730, 1825, 2117, 3650, 4234, 4325, 5017, 8650, 10034, 10585, 12629, 21170, 25085, 25258, 50170, 52925, 63145, 105850, 125425, 126290, 250850, 315725, 366241, 631450, 732482, 1831205, 3662410, 9156025, 18312050]

約数ペア:

[(1, 18312050), (2, 9156025), (5, 3662410), (10, 1831205), (25, 732482), (29, 631450), (50, 366241), (58, 315725), (73, 250850), (145, 126290), (146, 125425), (173, 105850), (290, 63145), (346, 52925), (365, 50170), (725, 25258), (730, 25085), (865, 21170), (1450, 12629), (1730, 10585), (1825, 10034), (2117, 8650), (3650, 5017), (4234, 4325)]