17996540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1291}}^1$

素因数の和:1358

約数の個数: 48

約数和(自身を含む): 41023584

約数和(自身を除く): 23027044

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1291, 1394, 2582, 2788, 3485, 5164, 6455, 6970, 12910, 13940, 21947, 25820, 43894, 52931, 87788, 105862, 109735, 211724, 219470, 264655, 438940, 529310, 899827, 1058620, 1799654, 3599308, 4499135, 8998270, 17996540]

約数ペア:

[(1, 17996540), (2, 8998270), (4, 4499135), (5, 3599308), (10, 1799654), (17, 1058620), (20, 899827), (34, 529310), (41, 438940), (68, 264655), (82, 219470), (85, 211724), (164, 109735), (170, 105862), (205, 87788), (340, 52931), (410, 43894), (697, 25820), (820, 21947), (1291, 13940), (1394, 12910), (2582, 6970), (2788, 6455), (3485, 5164)]