18944000

素因数分解:

$2^{12}\times 5^3\times {\mathrm{37}}^1$

素因数の和:76

約数の個数: 104

約数和(自身を含む): 48556248

約数和(自身を除く): 29612248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 37, 40, 50, 64, 74, 80, 100, 125, 128, 148, 160, 185, 200, 250, 256, 296, 320, 370, 400, 500, 512, 592, 640, 740, 800, 925, 1000, 1024, 1184, 1280, 1480, 1600, 1850, 2000, 2048, 2368, 2560, 2960, 3200, 3700, 4000, 4096, 4625, 4736, 5120, 5920, 6400, 7400, 8000, 9250, 9472, 10240, 11840, 12800, 14800, 16000, 18500, 18944, 20480, 23680, 25600, 29600, 32000, 37000, 37888, 47360, 51200, 59200, 64000, 74000, 75776, 94720, 102400, 118400, 128000, 148000, 151552, 189440, 236800, 256000, 296000, 378880, 473600, 512000, 592000, 757760, 947200, 1184000, 1894400, 2368000, 3788800, 4736000, 9472000, 18944000]

約数ペア:

[(1, 18944000), (2, 9472000), (4, 4736000), (5, 3788800), (8, 2368000), (10, 1894400), (16, 1184000), (20, 947200), (25, 757760), (32, 592000), (37, 512000), (40, 473600), (50, 378880), (64, 296000), (74, 256000), (80, 236800), (100, 189440), (125, 151552), (128, 148000), (148, 128000), (160, 118400), (185, 102400), (200, 94720), (250, 75776), (256, 74000), (296, 64000), (320, 59200), (370, 51200), (400, 47360), (500, 37888), (512, 37000), (592, 32000), (640, 29600), (740, 25600), (800, 23680), (925, 20480), (1000, 18944), (1024, 18500), (1184, 16000), (1280, 14800), (1480, 12800), (1600, 11840), (1850, 10240), (2000, 9472), (2048, 9250), (2368, 8000), (2560, 7400), (2960, 6400), (3200, 5920), (3700, 5120), (4000, 4736), (4096, 4625)]