19413780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1259}}^1$

素因数の和:1528

約数の個数: 48

約数和(自身を含む): 54613440

約数和(自身を除く): 35199660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 257, 514, 771, 1028, 1259, 1285, 1542, 2518, 2570, 3084, 3777, 3855, 5036, 5140, 6295, 7554, 7710, 12590, 15108, 15420, 18885, 25180, 37770, 75540, 323563, 647126, 970689, 1294252, 1617815, 1941378, 3235630, 3882756, 4853445, 6471260, 9706890, 19413780]

約数ペア:

[(1, 19413780), (2, 9706890), (3, 6471260), (4, 4853445), (5, 3882756), (6, 3235630), (10, 1941378), (12, 1617815), (15, 1294252), (20, 970689), (30, 647126), (60, 323563), (257, 75540), (514, 37770), (771, 25180), (1028, 18885), (1259, 15420), (1285, 15108), (1542, 12590), (2518, 7710), (2570, 7554), (3084, 6295), (3777, 5140), (3855, 5036)]