19398480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{617}}^1$

素因数の和:764

約数の個数: 80

約数和(自身を含む): 60692544

約数和(自身を除く): 41294064

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 131, 240, 262, 393, 524, 617, 655, 786, 1048, 1234, 1310, 1572, 1851, 1965, 2096, 2468, 2620, 3085, 3144, 3702, 3930, 4936, 5240, 6170, 6288, 7404, 7860, 9255, 9872, 10480, 12340, 14808, 15720, 18510, 24680, 29616, 31440, 37020, 49360, 74040, 80827, 148080, 161654, 242481, 323308, 404135, 484962, 646616, 808270, 969924, 1212405, 1293232, 1616540, 1939848, 2424810, 3233080, 3879696, 4849620, 6466160, 9699240, 19398480]

約数ペア:

[(1, 19398480), (2, 9699240), (3, 6466160), (4, 4849620), (5, 3879696), (6, 3233080), (8, 2424810), (10, 1939848), (12, 1616540), (15, 1293232), (16, 1212405), (20, 969924), (24, 808270), (30, 646616), (40, 484962), (48, 404135), (60, 323308), (80, 242481), (120, 161654), (131, 148080), (240, 80827), (262, 74040), (393, 49360), (524, 37020), (617, 31440), (655, 29616), (786, 24680), (1048, 18510), (1234, 15720), (1310, 14808), (1572, 12340), (1851, 10480), (1965, 9872), (2096, 9255), (2468, 7860), (2620, 7404), (3085, 6288), (3144, 6170), (3702, 5240), (3930, 4936)]