18463900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2029}}^1$

素因数の和:2063

約数の個数: 72

約数和(自身を含む): 49337120

約数和(自身を除く): 30873220

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2029, 2275, 4058, 4550, 8116, 9100, 10145, 14203, 20290, 26377, 28406, 40580, 50725, 52754, 56812, 71015, 101450, 105508, 131885, 142030, 184639, 202900, 263770, 284060, 355075, 369278, 527540, 659425, 710150, 738556, 923195, 1318850, 1420300, 1846390, 2637700, 3692780, 4615975, 9231950, 18463900]

約数ペア:

[(1, 18463900), (2, 9231950), (4, 4615975), (5, 3692780), (7, 2637700), (10, 1846390), (13, 1420300), (14, 1318850), (20, 923195), (25, 738556), (26, 710150), (28, 659425), (35, 527540), (50, 369278), (52, 355075), (65, 284060), (70, 263770), (91, 202900), (100, 184639), (130, 142030), (140, 131885), (175, 105508), (182, 101450), (260, 71015), (325, 56812), (350, 52754), (364, 50725), (455, 40580), (650, 28406), (700, 26377), (910, 20290), (1300, 14203), (1820, 10145), (2029, 9100), (2275, 8116), (4058, 4550)]