18144103660

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1\times {\mathrm{63031}}^1$

素因数の和:63466

約数の個数: 48

約数和(自身を含む): 39233638080

約数和(自身を除く): 21089534420

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 389, 740, 778, 1556, 1945, 3890, 7780, 14393, 28786, 57572, 63031, 71965, 126062, 143930, 252124, 287860, 315155, 630310, 1260620, 2332147, 4664294, 9328588, 11660735, 23321470, 24519059, 46642940, 49038118, 98076236, 122595295, 245190590, 490381180, 907205183, 1814410366, 3628820732, 4536025915, 9072051830, 18144103660]

約数ペア:

[(1, 18144103660), (2, 9072051830), (4, 4536025915), (5, 3628820732), (10, 1814410366), (20, 907205183), (37, 490381180), (74, 245190590), (148, 122595295), (185, 98076236), (370, 49038118), (389, 46642940), (740, 24519059), (778, 23321470), (1556, 11660735), (1945, 9328588), (3890, 4664294), (7780, 2332147), (14393, 1260620), (28786, 630310), (57572, 315155), (63031, 287860), (71965, 252124), (126062, 143930)]