18783640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1201}}^1$

素因数の和:1252

約数の個数: 64

約数和(自身を含む): 46733760

約数和(自身を除く): 27950120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 680, 782, 920, 1201, 1564, 1955, 2402, 3128, 3910, 4804, 6005, 7820, 9608, 12010, 15640, 20417, 24020, 27623, 40834, 48040, 55246, 81668, 102085, 110492, 138115, 163336, 204170, 220984, 276230, 408340, 469591, 552460, 816680, 939182, 1104920, 1878364, 2347955, 3756728, 4695910, 9391820, 18783640]

約数ペア:

[(1, 18783640), (2, 9391820), (4, 4695910), (5, 3756728), (8, 2347955), (10, 1878364), (17, 1104920), (20, 939182), (23, 816680), (34, 552460), (40, 469591), (46, 408340), (68, 276230), (85, 220984), (92, 204170), (115, 163336), (136, 138115), (170, 110492), (184, 102085), (230, 81668), (340, 55246), (391, 48040), (460, 40834), (680, 27623), (782, 24020), (920, 20417), (1201, 15640), (1564, 12010), (1955, 9608), (2402, 7820), (3128, 6005), (3910, 4804)]