18644970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{739}}^1$

素因数の和:807

約数の個数: 48

約数和(自身を含む): 46406880

約数和(自身を除く): 27761910

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 739, 841, 870, 1478, 1682, 2217, 2523, 3695, 4205, 4434, 5046, 7390, 8410, 11085, 12615, 21431, 22170, 25230, 42862, 64293, 107155, 128586, 214310, 321465, 621499, 642930, 1242998, 1864497, 3107495, 3728994, 6214990, 9322485, 18644970]

約数ペア:

[(1, 18644970), (2, 9322485), (3, 6214990), (5, 3728994), (6, 3107495), (10, 1864497), (15, 1242998), (29, 642930), (30, 621499), (58, 321465), (87, 214310), (145, 128586), (174, 107155), (290, 64293), (435, 42862), (739, 25230), (841, 22170), (870, 21431), (1478, 12615), (1682, 11085), (2217, 8410), (2523, 7390), (3695, 5046), (4205, 4434)]