18198900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:370

約数の個数: 108

約数和(自身を含む): 58033612

約数和(自身を除く): 39834712

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 73, 75, 90, 100, 146, 150, 180, 219, 225, 277, 292, 300, 365, 438, 450, 554, 657, 730, 831, 876, 900, 1095, 1108, 1314, 1385, 1460, 1662, 1825, 2190, 2493, 2628, 2770, 3285, 3324, 3650, 4155, 4380, 4986, 5475, 5540, 6570, 6925, 7300, 8310, 9972, 10950, 12465, 13140, 13850, 16425, 16620, 20221, 20775, 21900, 24930, 27700, 32850, 40442, 41550, 49860, 60663, 62325, 65700, 80884, 83100, 101105, 121326, 124650, 181989, 202210, 242652, 249300, 303315, 363978, 404420, 505525, 606630, 727956, 909945, 1011050, 1213260, 1516575, 1819890, 2022100, 3033150, 3639780, 4549725, 6066300, 9099450, 18198900]

約数ペア:

[(1, 18198900), (2, 9099450), (3, 6066300), (4, 4549725), (5, 3639780), (6, 3033150), (9, 2022100), (10, 1819890), (12, 1516575), (15, 1213260), (18, 1011050), (20, 909945), (25, 727956), (30, 606630), (36, 505525), (45, 404420), (50, 363978), (60, 303315), (73, 249300), (75, 242652), (90, 202210), (100, 181989), (146, 124650), (150, 121326), (180, 101105), (219, 83100), (225, 80884), (277, 65700), (292, 62325), (300, 60663), (365, 49860), (438, 41550), (450, 40442), (554, 32850), (657, 27700), (730, 24930), (831, 21900), (876, 20775), (900, 20221), (1095, 16620), (1108, 16425), (1314, 13850), (1385, 13140), (1460, 12465), (1662, 10950), (1825, 9972), (2190, 8310), (2493, 7300), (2628, 6925), (2770, 6570), (3285, 5540), (3324, 5475), (3650, 4986), (4155, 4380)]