18501473790

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{640411}}^1$

素因数の和:640534

約数の個数: 64

約数和(自身を含む): 49798437120

約数和(自身を除く): 31296963330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 107, 135, 214, 270, 321, 535, 642, 963, 1070, 1605, 1926, 2889, 3210, 4815, 5778, 9630, 14445, 28890, 640411, 1280822, 1921233, 3202055, 3842466, 5763699, 6404110, 9606165, 11527398, 17291097, 19212330, 28818495, 34582194, 57636990, 68523977, 86455485, 137047954, 172910970, 205571931, 342619885, 411143862, 616715793, 685239770, 1027859655, 1233431586, 1850147379, 2055719310, 3083578965, 3700294758, 6167157930, 9250736895, 18501473790]

約数ペア:

[(1, 18501473790), (2, 9250736895), (3, 6167157930), (5, 3700294758), (6, 3083578965), (9, 2055719310), (10, 1850147379), (15, 1233431586), (18, 1027859655), (27, 685239770), (30, 616715793), (45, 411143862), (54, 342619885), (90, 205571931), (107, 172910970), (135, 137047954), (214, 86455485), (270, 68523977), (321, 57636990), (535, 34582194), (642, 28818495), (963, 19212330), (1070, 17291097), (1605, 11527398), (1926, 9606165), (2889, 6404110), (3210, 5763699), (4815, 3842466), (5778, 3202055), (9630, 1921233), (14445, 1280822), (28890, 640411)]