19123380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{811}}^1$

素因数の和:957

約数の個数: 72

約数和(自身を含む): 58522464

約数和(自身を除く): 39399084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 655, 786, 811, 1179, 1310, 1572, 1622, 1965, 2358, 2433, 2620, 3244, 3930, 4055, 4716, 4866, 5895, 7299, 7860, 8110, 9732, 11790, 12165, 14598, 16220, 23580, 24330, 29196, 36495, 48660, 72990, 106241, 145980, 212482, 318723, 424964, 531205, 637446, 956169, 1062410, 1274892, 1593615, 1912338, 2124820, 3187230, 3824676, 4780845, 6374460, 9561690, 19123380]

約数ペア:

[(1, 19123380), (2, 9561690), (3, 6374460), (4, 4780845), (5, 3824676), (6, 3187230), (9, 2124820), (10, 1912338), (12, 1593615), (15, 1274892), (18, 1062410), (20, 956169), (30, 637446), (36, 531205), (45, 424964), (60, 318723), (90, 212482), (131, 145980), (180, 106241), (262, 72990), (393, 48660), (524, 36495), (655, 29196), (786, 24330), (811, 23580), (1179, 16220), (1310, 14598), (1572, 12165), (1622, 11790), (1965, 9732), (2358, 8110), (2433, 7860), (2620, 7299), (3244, 5895), (3930, 4866), (4055, 4716)]