19777560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{14983}}^1$

素因数の和:15008

約数の個数: 64

約数和(自身を含む): 64730880

約数和(自身を除く): 44953320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 14983, 29966, 44949, 59932, 74915, 89898, 119864, 149830, 164813, 179796, 224745, 299660, 329626, 359592, 449490, 494439, 599320, 659252, 824065, 898980, 988878, 1318504, 1648130, 1797960, 1977756, 2472195, 3296260, 3955512, 4944390, 6592520, 9888780, 19777560]

約数ペア:

[(1, 19777560), (2, 9888780), (3, 6592520), (4, 4944390), (5, 3955512), (6, 3296260), (8, 2472195), (10, 1977756), (11, 1797960), (12, 1648130), (15, 1318504), (20, 988878), (22, 898980), (24, 824065), (30, 659252), (33, 599320), (40, 494439), (44, 449490), (55, 359592), (60, 329626), (66, 299660), (88, 224745), (110, 179796), (120, 164813), (132, 149830), (165, 119864), (220, 89898), (264, 74915), (330, 59932), (440, 44949), (660, 29966), (1320, 14983)]