18131248

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{349}}^1$

素因数の和:565

約数の個数: 40

約数和(自身を含む): 37497600

約数和(自身を除く): 19366352

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 191, 272, 349, 382, 698, 764, 1396, 1528, 2792, 3056, 3247, 5584, 5933, 6494, 11866, 12988, 23732, 25976, 47464, 51952, 66659, 94928, 133318, 266636, 533272, 1066544, 1133203, 2266406, 4532812, 9065624, 18131248]

約数ペア:

[(1, 18131248), (2, 9065624), (4, 4532812), (8, 2266406), (16, 1133203), (17, 1066544), (34, 533272), (68, 266636), (136, 133318), (191, 94928), (272, 66659), (349, 51952), (382, 47464), (698, 25976), (764, 23732), (1396, 12988), (1528, 11866), (2792, 6494), (3056, 5933), (3247, 5584)]