19389440

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{541}}^1$

素因数の和:573

約数の個数: 88

約数和(自身を含む): 53254752

約数和(自身を除く): 33865312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 541, 560, 640, 896, 1024, 1082, 1120, 1280, 1792, 2164, 2240, 2560, 2705, 3584, 3787, 4328, 4480, 5120, 5410, 7168, 7574, 8656, 8960, 10820, 15148, 17312, 17920, 18935, 21640, 30296, 34624, 35840, 37870, 43280, 60592, 69248, 75740, 86560, 121184, 138496, 151480, 173120, 242368, 276992, 302960, 346240, 484736, 553984, 605920, 692480, 969472, 1211840, 1384960, 1938944, 2423680, 2769920, 3877888, 4847360, 9694720, 19389440]

約数ペア:

[(1, 19389440), (2, 9694720), (4, 4847360), (5, 3877888), (7, 2769920), (8, 2423680), (10, 1938944), (14, 1384960), (16, 1211840), (20, 969472), (28, 692480), (32, 605920), (35, 553984), (40, 484736), (56, 346240), (64, 302960), (70, 276992), (80, 242368), (112, 173120), (128, 151480), (140, 138496), (160, 121184), (224, 86560), (256, 75740), (280, 69248), (320, 60592), (448, 43280), (512, 37870), (541, 35840), (560, 34624), (640, 30296), (896, 21640), (1024, 18935), (1082, 17920), (1120, 17312), (1280, 15148), (1792, 10820), (2164, 8960), (2240, 8656), (2560, 7574), (2705, 7168), (3584, 5410), (3787, 5120), (4328, 4480)]