18845730

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{313}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 50641920

約数和(自身を除く): 31796190

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 223, 270, 313, 446, 626, 669, 939, 1115, 1338, 1565, 1878, 2007, 2230, 2817, 3130, 3345, 4014, 4695, 5634, 6021, 6690, 8451, 9390, 10035, 12042, 14085, 16902, 20070, 28170, 30105, 42255, 60210, 69799, 84510, 139598, 209397, 348995, 418794, 628191, 697990, 1046985, 1256382, 1884573, 2093970, 3140955, 3769146, 6281910, 9422865, 18845730]

約数ペア:

[(1, 18845730), (2, 9422865), (3, 6281910), (5, 3769146), (6, 3140955), (9, 2093970), (10, 1884573), (15, 1256382), (18, 1046985), (27, 697990), (30, 628191), (45, 418794), (54, 348995), (90, 209397), (135, 139598), (223, 84510), (270, 69799), (313, 60210), (446, 42255), (626, 30105), (669, 28170), (939, 20070), (1115, 16902), (1338, 14085), (1565, 12042), (1878, 10035), (2007, 9390), (2230, 8451), (2817, 6690), (3130, 6021), (3345, 5634), (4014, 4695)]