18261376

素因数分解:

$2^7\times 7^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 42228000

約数和(自身を除く): 23966624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 89, 112, 128, 178, 224, 229, 356, 448, 458, 623, 712, 896, 916, 1246, 1424, 1603, 1832, 2492, 2848, 3206, 3664, 4984, 5696, 6412, 7328, 9968, 11392, 12824, 14656, 19936, 20381, 25648, 29312, 39872, 40762, 51296, 79744, 81524, 102592, 142667, 163048, 205184, 285334, 326096, 570668, 652192, 1141336, 1304384, 2282672, 2608768, 4565344, 9130688, 18261376]

約数ペア:

[(1, 18261376), (2, 9130688), (4, 4565344), (7, 2608768), (8, 2282672), (14, 1304384), (16, 1141336), (28, 652192), (32, 570668), (56, 326096), (64, 285334), (89, 205184), (112, 163048), (128, 142667), (178, 102592), (224, 81524), (229, 79744), (356, 51296), (448, 40762), (458, 39872), (623, 29312), (712, 25648), (896, 20381), (916, 19936), (1246, 14656), (1424, 12824), (1603, 11392), (1832, 9968), (2492, 7328), (2848, 6412), (3206, 5696), (3664, 4984)]