18816540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7649}}^1$

素因数の和:7702

約数の個数: 48

約数和(自身を含む): 53978400

約数和(自身を除く): 35161860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 7649, 15298, 22947, 30596, 38245, 45894, 76490, 91788, 114735, 152980, 229470, 313609, 458940, 627218, 940827, 1254436, 1568045, 1881654, 3136090, 3763308, 4704135, 6272180, 9408270, 18816540]

約数ペア:

[(1, 18816540), (2, 9408270), (3, 6272180), (4, 4704135), (5, 3763308), (6, 3136090), (10, 1881654), (12, 1568045), (15, 1254436), (20, 940827), (30, 627218), (41, 458940), (60, 313609), (82, 229470), (123, 152980), (164, 114735), (205, 91788), (246, 76490), (410, 45894), (492, 38245), (615, 30596), (820, 22947), (1230, 15298), (2460, 7649)]