18229560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2081}}^1$

素因数の和:2168

約数の個数: 64

約数和(自身を含む): 55464480

約数和(自身を除く): 37234920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 120, 146, 219, 292, 365, 438, 584, 730, 876, 1095, 1460, 1752, 2081, 2190, 2920, 4162, 4380, 6243, 8324, 8760, 10405, 12486, 16648, 20810, 24972, 31215, 41620, 49944, 62430, 83240, 124860, 151913, 249720, 303826, 455739, 607652, 759565, 911478, 1215304, 1519130, 1822956, 2278695, 3038260, 3645912, 4557390, 6076520, 9114780, 18229560]

約数ペア:

[(1, 18229560), (2, 9114780), (3, 6076520), (4, 4557390), (5, 3645912), (6, 3038260), (8, 2278695), (10, 1822956), (12, 1519130), (15, 1215304), (20, 911478), (24, 759565), (30, 607652), (40, 455739), (60, 303826), (73, 249720), (120, 151913), (146, 124860), (219, 83240), (292, 62430), (365, 49944), (438, 41620), (584, 31215), (730, 24972), (876, 20810), (1095, 16648), (1460, 12486), (1752, 10405), (2081, 8760), (2190, 8324), (2920, 6243), (4162, 4380)]