18838920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4243}}^1$

素因数の和:4294

約数の個数: 64

約数和(自身を含む): 58057920

約数和(自身を除く): 39219000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4243, 4440, 8486, 12729, 16972, 21215, 25458, 33944, 42430, 50916, 63645, 84860, 101832, 127290, 156991, 169720, 254580, 313982, 470973, 509160, 627964, 784955, 941946, 1255928, 1569910, 1883892, 2354865, 3139820, 3767784, 4709730, 6279640, 9419460, 18838920]

約数ペア:

[(1, 18838920), (2, 9419460), (3, 6279640), (4, 4709730), (5, 3767784), (6, 3139820), (8, 2354865), (10, 1883892), (12, 1569910), (15, 1255928), (20, 941946), (24, 784955), (30, 627964), (37, 509160), (40, 470973), (60, 313982), (74, 254580), (111, 169720), (120, 156991), (148, 127290), (185, 101832), (222, 84860), (296, 63645), (370, 50916), (444, 42430), (555, 33944), (740, 25458), (888, 21215), (1110, 16972), (1480, 12729), (2220, 8486), (4243, 4440)]