18593920

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1709}}^1$

素因数の和:1745

約数の個数: 64

約数和(自身を含む): 47093400

約数和(自身を除く): 28499480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 1709, 2176, 2720, 3418, 5440, 6836, 8545, 10880, 13672, 17090, 27344, 29053, 34180, 54688, 58106, 68360, 109376, 116212, 136720, 145265, 218752, 232424, 273440, 290530, 464848, 546880, 581060, 929696, 1093760, 1162120, 1859392, 2324240, 3718784, 4648480, 9296960, 18593920]

約数ペア:

[(1, 18593920), (2, 9296960), (4, 4648480), (5, 3718784), (8, 2324240), (10, 1859392), (16, 1162120), (17, 1093760), (20, 929696), (32, 581060), (34, 546880), (40, 464848), (64, 290530), (68, 273440), (80, 232424), (85, 218752), (128, 145265), (136, 136720), (160, 116212), (170, 109376), (272, 68360), (320, 58106), (340, 54688), (544, 34180), (640, 29053), (680, 27344), (1088, 17090), (1360, 13672), (1709, 10880), (2176, 8545), (2720, 6836), (3418, 5440)]