19862409

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:150

約数の個数: 64

約数和(自身を含む): 34836480

約数和(自身を除く): 14974071

約数列:

[1, 3, 7, 17, 21, 23, 41, 51, 59, 69, 119, 123, 161, 177, 287, 357, 391, 413, 483, 697, 861, 943, 1003, 1173, 1239, 1357, 2091, 2419, 2737, 2829, 3009, 4071, 4879, 6601, 7021, 7257, 8211, 9499, 14637, 16031, 16933, 19803, 21063, 23069, 28497, 41123, 48093, 50799, 55637, 69207, 112217, 123369, 161483, 166911, 287861, 336651, 389459, 484449, 863583, 945829, 1168377, 2837487, 6620803, 19862409]

約数ペア:

[(1, 19862409), (3, 6620803), (7, 2837487), (17, 1168377), (21, 945829), (23, 863583), (41, 484449), (51, 389459), (59, 336651), (69, 287861), (119, 166911), (123, 161483), (161, 123369), (177, 112217), (287, 69207), (357, 55637), (391, 50799), (413, 48093), (483, 41123), (697, 28497), (861, 23069), (943, 21063), (1003, 19803), (1173, 16933), (1239, 16031), (1357, 14637), (2091, 9499), (2419, 8211), (2737, 7257), (2829, 7021), (3009, 6601), (4071, 4879)]