18081952

素因数分解:

$2^5\times 7^1\times {\mathrm{89}}^1\times {\mathrm{907}}^1$

素因数の和:1013

約数の個数: 48

約数和(自身を含む): 41186880

約数和(自身を除く): 23104928

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 89, 112, 178, 224, 356, 623, 712, 907, 1246, 1424, 1814, 2492, 2848, 3628, 4984, 6349, 7256, 9968, 12698, 14512, 19936, 25396, 29024, 50792, 80723, 101584, 161446, 203168, 322892, 565061, 645784, 1130122, 1291568, 2260244, 2583136, 4520488, 9040976, 18081952]

約数ペア:

[(1, 18081952), (2, 9040976), (4, 4520488), (7, 2583136), (8, 2260244), (14, 1291568), (16, 1130122), (28, 645784), (32, 565061), (56, 322892), (89, 203168), (112, 161446), (178, 101584), (224, 80723), (356, 50792), (623, 29024), (712, 25396), (907, 19936), (1246, 14512), (1424, 12698), (1814, 9968), (2492, 7256), (2848, 6349), (3628, 4984)]