18130784

素因数分解:

$2^5\times 7^2\times {\mathrm{31}}^1\times {\mathrm{373}}^1$

素因数の和:428

約数の個数: 72

約数和(自身を含む): 42977088

約数和(自身を除く): 24846304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 98, 112, 124, 196, 217, 224, 248, 373, 392, 434, 496, 746, 784, 868, 992, 1492, 1519, 1568, 1736, 2611, 2984, 3038, 3472, 5222, 5968, 6076, 6944, 10444, 11563, 11936, 12152, 18277, 20888, 23126, 24304, 36554, 41776, 46252, 48608, 73108, 80941, 83552, 92504, 146216, 161882, 185008, 292432, 323764, 370016, 566587, 584864, 647528, 1133174, 1295056, 2266348, 2590112, 4532696, 9065392, 18130784]

約数ペア:

[(1, 18130784), (2, 9065392), (4, 4532696), (7, 2590112), (8, 2266348), (14, 1295056), (16, 1133174), (28, 647528), (31, 584864), (32, 566587), (49, 370016), (56, 323764), (62, 292432), (98, 185008), (112, 161882), (124, 146216), (196, 92504), (217, 83552), (224, 80941), (248, 73108), (373, 48608), (392, 46252), (434, 41776), (496, 36554), (746, 24304), (784, 23126), (868, 20888), (992, 18277), (1492, 12152), (1519, 11936), (1568, 11563), (1736, 10444), (2611, 6944), (2984, 6076), (3038, 5968), (3472, 5222)]