18974970

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{30119}}^1$

素因数の和:30139

約数の個数: 48

約数和(自身を含む): 56384640

約数和(自身を除く): 37409670

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 30119, 60238, 90357, 150595, 180714, 210833, 271071, 301190, 421666, 451785, 542142, 632499, 903570, 1054165, 1264998, 1355355, 1897497, 2108330, 2710710, 3162495, 3794994, 6324990, 9487485, 18974970]

約数ペア:

[(1, 18974970), (2, 9487485), (3, 6324990), (5, 3794994), (6, 3162495), (7, 2710710), (9, 2108330), (10, 1897497), (14, 1355355), (15, 1264998), (18, 1054165), (21, 903570), (30, 632499), (35, 542142), (42, 451785), (45, 421666), (63, 301190), (70, 271071), (90, 210833), (105, 180714), (126, 150595), (210, 90357), (315, 60238), (630, 30119)]