19521840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6257}}^1$

素因数の和:6286

約数の個数: 80

約数和(自身を含む): 65183328

約数和(自身を除く): 45661488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 6257, 12514, 18771, 25028, 31285, 37542, 50056, 62570, 75084, 81341, 93855, 100112, 125140, 150168, 162682, 187710, 244023, 250280, 300336, 325364, 375420, 406705, 488046, 500560, 650728, 750840, 813410, 976092, 1220115, 1301456, 1501680, 1626820, 1952184, 2440230, 3253640, 3904368, 4880460, 6507280, 9760920, 19521840]

約数ペア:

[(1, 19521840), (2, 9760920), (3, 6507280), (4, 4880460), (5, 3904368), (6, 3253640), (8, 2440230), (10, 1952184), (12, 1626820), (13, 1501680), (15, 1301456), (16, 1220115), (20, 976092), (24, 813410), (26, 750840), (30, 650728), (39, 500560), (40, 488046), (48, 406705), (52, 375420), (60, 325364), (65, 300336), (78, 250280), (80, 244023), (104, 187710), (120, 162682), (130, 150168), (156, 125140), (195, 100112), (208, 93855), (240, 81341), (260, 75084), (312, 62570), (390, 50056), (520, 37542), (624, 31285), (780, 25028), (1040, 18771), (1560, 12514), (3120, 6257)]