18586190

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{457}}^1$

素因数の和:561

約数の個数: 48

約数和(自身を含む): 39472272

約数和(自身を除く): 20886082

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 83, 98, 166, 245, 415, 457, 490, 581, 830, 914, 1162, 2285, 2905, 3199, 4067, 4570, 5810, 6398, 8134, 15995, 20335, 22393, 31990, 37931, 40670, 44786, 75862, 111965, 189655, 223930, 265517, 379310, 531034, 1327585, 1858619, 2655170, 3717238, 9293095, 18586190]

約数ペア:

[(1, 18586190), (2, 9293095), (5, 3717238), (7, 2655170), (10, 1858619), (14, 1327585), (35, 531034), (49, 379310), (70, 265517), (83, 223930), (98, 189655), (166, 111965), (245, 75862), (415, 44786), (457, 40670), (490, 37931), (581, 31990), (830, 22393), (914, 20335), (1162, 15995), (2285, 8134), (2905, 6398), (3199, 5810), (4067, 4570)]