18304936

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 39070080

約数和(自身を除く): 20765144

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 67, 71, 74, 104, 134, 142, 148, 268, 284, 296, 481, 536, 568, 871, 923, 962, 1742, 1846, 1924, 2479, 2627, 3484, 3692, 3848, 4757, 4958, 5254, 6968, 7384, 9514, 9916, 10508, 19028, 19832, 21016, 32227, 34151, 38056, 61841, 64454, 68302, 123682, 128908, 136604, 176009, 247364, 257816, 273208, 352018, 494728, 704036, 1408072, 2288117, 4576234, 9152468, 18304936]

約数ペア:

[(1, 18304936), (2, 9152468), (4, 4576234), (8, 2288117), (13, 1408072), (26, 704036), (37, 494728), (52, 352018), (67, 273208), (71, 257816), (74, 247364), (104, 176009), (134, 136604), (142, 128908), (148, 123682), (268, 68302), (284, 64454), (296, 61841), (481, 38056), (536, 34151), (568, 32227), (871, 21016), (923, 19832), (962, 19028), (1742, 10508), (1846, 9916), (1924, 9514), (2479, 7384), (2627, 6968), (3484, 5254), (3692, 4958), (3848, 4757)]