18124808

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2857}}^1$

素因数の和:2937

約数の個数: 32

約数和(自身を含む): 37211160

約数和(自身を除く): 19086352

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 244, 488, 793, 1586, 2857, 3172, 5714, 6344, 11428, 22856, 37141, 74282, 148564, 174277, 297128, 348554, 697108, 1394216, 2265601, 4531202, 9062404, 18124808]

約数ペア:

[(1, 18124808), (2, 9062404), (4, 4531202), (8, 2265601), (13, 1394216), (26, 697108), (52, 348554), (61, 297128), (104, 174277), (122, 148564), (244, 74282), (488, 37141), (793, 22856), (1586, 11428), (2857, 6344), (3172, 5714)]