18337760

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{2339}}^1$

素因数の和:2368

約数の個数: 72

約数和(自身を含む): 50417640

約数和(自身を除く): 32079880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 2339, 3920, 4678, 7840, 9356, 11695, 16373, 18712, 23390, 32746, 37424, 46780, 65492, 74848, 81865, 93560, 114611, 130984, 163730, 187120, 229222, 261968, 327460, 374240, 458444, 523936, 573055, 654920, 916888, 1146110, 1309840, 1833776, 2292220, 2619680, 3667552, 4584440, 9168880, 18337760]

約数ペア:

[(1, 18337760), (2, 9168880), (4, 4584440), (5, 3667552), (7, 2619680), (8, 2292220), (10, 1833776), (14, 1309840), (16, 1146110), (20, 916888), (28, 654920), (32, 573055), (35, 523936), (40, 458444), (49, 374240), (56, 327460), (70, 261968), (80, 229222), (98, 187120), (112, 163730), (140, 130984), (160, 114611), (196, 93560), (224, 81865), (245, 74848), (280, 65492), (392, 46780), (490, 37424), (560, 32746), (784, 23390), (980, 18712), (1120, 16373), (1568, 11695), (1960, 9356), (2339, 7840), (3920, 4678)]