19204480

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{811}}^1$

素因数の和:867

約数の個数: 64

約数和(自身を含む): 47209680

約数和(自身を除く): 28005200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 296, 320, 370, 592, 640, 740, 811, 1184, 1480, 1622, 2368, 2960, 3244, 4055, 4736, 5920, 6488, 8110, 11840, 12976, 16220, 23680, 25952, 30007, 32440, 51904, 60014, 64880, 103808, 120028, 129760, 150035, 240056, 259520, 300070, 480112, 519040, 600140, 960224, 1200280, 1920448, 2400560, 3840896, 4801120, 9602240, 19204480]

約数ペア:

[(1, 19204480), (2, 9602240), (4, 4801120), (5, 3840896), (8, 2400560), (10, 1920448), (16, 1200280), (20, 960224), (32, 600140), (37, 519040), (40, 480112), (64, 300070), (74, 259520), (80, 240056), (128, 150035), (148, 129760), (160, 120028), (185, 103808), (296, 64880), (320, 60014), (370, 51904), (592, 32440), (640, 30007), (740, 25952), (811, 23680), (1184, 16220), (1480, 12976), (1622, 11840), (2368, 8110), (2960, 6488), (3244, 5920), (4055, 4736)]