18189320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1163}}^1$

素因数の和:1214

約数の個数: 64

約数和(自身を含む): 45256320

約数和(自身を除く): 27067000

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, 1163, 1564, 1955, 2326, 3128, 3910, 4652, 5815, 7820, 9304, 11630, 15640, 19771, 23260, 26749, 39542, 46520, 53498, 79084, 98855, 106996, 133745, 158168, 197710, 213992, 267490, 395420, 454733, 534980, 790840, 909466, 1069960, 1818932, 2273665, 3637864, 4547330, 9094660, 18189320]

約数ペア:

[(1, 18189320), (2, 9094660), (4, 4547330), (5, 3637864), (8, 2273665), (10, 1818932), (17, 1069960), (20, 909466), (23, 790840), (34, 534980), (40, 454733), (46, 395420), (68, 267490), (85, 213992), (92, 197710), (115, 158168), (136, 133745), (170, 106996), (184, 98855), (230, 79084), (340, 53498), (391, 46520), (460, 39542), (680, 26749), (782, 23260), (920, 19771), (1163, 15640), (1564, 11630), (1955, 9304), (2326, 7820), (3128, 5815), (3910, 4652)]