18867780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2833}}^1$

素因数の和:2885

約数の個数: 72

約数和(自身を含む): 58799832

約数和(自身を除く): 39932052

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 2833, 3330, 5666, 6660, 8499, 11332, 14165, 16998, 25497, 28330, 33996, 42495, 50994, 56660, 84990, 101988, 104821, 127485, 169980, 209642, 254970, 314463, 419284, 509940, 524105, 628926, 943389, 1048210, 1257852, 1572315, 1886778, 2096420, 3144630, 3773556, 4716945, 6289260, 9433890, 18867780]

約数ペア:

[(1, 18867780), (2, 9433890), (3, 6289260), (4, 4716945), (5, 3773556), (6, 3144630), (9, 2096420), (10, 1886778), (12, 1572315), (15, 1257852), (18, 1048210), (20, 943389), (30, 628926), (36, 524105), (37, 509940), (45, 419284), (60, 314463), (74, 254970), (90, 209642), (111, 169980), (148, 127485), (180, 104821), (185, 101988), (222, 84990), (333, 56660), (370, 50994), (444, 42495), (555, 33996), (666, 28330), (740, 25497), (1110, 16998), (1332, 14165), (1665, 11332), (2220, 8499), (2833, 6660), (3330, 5666)]