19814520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{883}}^1$

素因数の和:925

約数の個数: 128

約数和(自身を含む): 68739840

約数和(自身を除く): 48925320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 44, 51, 55, 60, 66, 68, 85, 88, 102, 110, 120, 132, 136, 165, 170, 187, 204, 220, 255, 264, 330, 340, 374, 408, 440, 510, 561, 660, 680, 748, 883, 935, 1020, 1122, 1320, 1496, 1766, 1870, 2040, 2244, 2649, 2805, 3532, 3740, 4415, 4488, 5298, 5610, 7064, 7480, 8830, 9713, 10596, 11220, 13245, 15011, 17660, 19426, 21192, 22440, 26490, 29139, 30022, 35320, 38852, 45033, 48565, 52980, 58278, 60044, 75055, 77704, 90066, 97130, 105960, 116556, 120088, 145695, 150110, 165121, 180132, 194260, 225165, 233112, 291390, 300220, 330242, 360264, 388520, 450330, 495363, 582780, 600440, 660484, 825605, 900660, 990726, 1165560, 1320968, 1651210, 1801320, 1981452, 2476815, 3302420, 3962904, 4953630, 6604840, 9907260, 19814520]

約数ペア:

[(1, 19814520), (2, 9907260), (3, 6604840), (4, 4953630), (5, 3962904), (6, 3302420), (8, 2476815), (10, 1981452), (11, 1801320), (12, 1651210), (15, 1320968), (17, 1165560), (20, 990726), (22, 900660), (24, 825605), (30, 660484), (33, 600440), (34, 582780), (40, 495363), (44, 450330), (51, 388520), (55, 360264), (60, 330242), (66, 300220), (68, 291390), (85, 233112), (88, 225165), (102, 194260), (110, 180132), (120, 165121), (132, 150110), (136, 145695), (165, 120088), (170, 116556), (187, 105960), (204, 97130), (220, 90066), (255, 77704), (264, 75055), (330, 60044), (340, 58278), (374, 52980), (408, 48565), (440, 45033), (510, 38852), (561, 35320), (660, 30022), (680, 29139), (748, 26490), (883, 22440), (935, 21192), (1020, 19426), (1122, 17660), (1320, 15011), (1496, 13245), (1766, 11220), (1870, 10596), (2040, 9713), (2244, 8830), (2649, 7480), (2805, 7064), (3532, 5610), (3740, 5298), (4415, 4488)]