18171944

素因数分解:

$2^3\times 7^2\times {\mathrm{151}}^1\times {\mathrm{307}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 40027680

約数和(自身を除く): 21855736

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 151, 196, 302, 307, 392, 604, 614, 1057, 1208, 1228, 2114, 2149, 2456, 4228, 4298, 7399, 8456, 8596, 14798, 15043, 17192, 29596, 30086, 46357, 59192, 60172, 92714, 120344, 185428, 324499, 370856, 648998, 1297996, 2271493, 2595992, 4542986, 9085972, 18171944]

約数ペア:

[(1, 18171944), (2, 9085972), (4, 4542986), (7, 2595992), (8, 2271493), (14, 1297996), (28, 648998), (49, 370856), (56, 324499), (98, 185428), (151, 120344), (196, 92714), (302, 60172), (307, 59192), (392, 46357), (604, 30086), (614, 29596), (1057, 17192), (1208, 15043), (1228, 14798), (2114, 8596), (2149, 8456), (2456, 7399), (4228, 4298)]