19461360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{619}}^1$

素因数の和:766

約数の個数: 80

約数和(自身を含む): 60888960

約数和(自身を除く): 41427600

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, 619, 655, 786, 1048, 1238, 1310, 1572, 1857, 1965, 2096, 2476, 2620, 3095, 3144, 3714, 3930, 4952, 5240, 6190, 6288, 7428, 7860, 9285, 9904, 10480, 12380, 14856, 15720, 18570, 24760, 29712, 31440, 37140, 49520, 74280, 81089, 148560, 162178, 243267, 324356, 405445, 486534, 648712, 810890, 973068, 1216335, 1297424, 1621780, 1946136, 2432670, 3243560, 3892272, 4865340, 6487120, 9730680, 19461360]

約数ペア:

[(1, 19461360), (2, 9730680), (3, 6487120), (4, 4865340), (5, 3892272), (6, 3243560), (8, 2432670), (10, 1946136), (12, 1621780), (15, 1297424), (16, 1216335), (20, 973068), (24, 810890), (30, 648712), (40, 486534), (48, 405445), (60, 324356), (80, 243267), (120, 162178), (131, 148560), (240, 81089), (262, 74280), (393, 49520), (524, 37140), (619, 31440), (655, 29712), (786, 24760), (1048, 18570), (1238, 15720), (1310, 14856), (1572, 12380), (1857, 10480), (1965, 9904), (2096, 9285), (2476, 7860), (2620, 7428), (3095, 6288), (3144, 6190), (3714, 5240), (3930, 4952)]