18121290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{617}}^1$

素因数の和:727

約数の個数: 64

約数和(自身を含む): 48055680

約数和(自身を除く): 29934390

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 89, 110, 165, 178, 267, 330, 445, 534, 617, 890, 979, 1234, 1335, 1851, 1958, 2670, 2937, 3085, 3702, 4895, 5874, 6170, 6787, 9255, 9790, 13574, 14685, 18510, 20361, 29370, 33935, 40722, 54913, 67870, 101805, 109826, 164739, 203610, 274565, 329478, 549130, 604043, 823695, 1208086, 1647390, 1812129, 3020215, 3624258, 6040430, 9060645, 18121290]

約数ペア:

[(1, 18121290), (2, 9060645), (3, 6040430), (5, 3624258), (6, 3020215), (10, 1812129), (11, 1647390), (15, 1208086), (22, 823695), (30, 604043), (33, 549130), (55, 329478), (66, 274565), (89, 203610), (110, 164739), (165, 109826), (178, 101805), (267, 67870), (330, 54913), (445, 40722), (534, 33935), (617, 29370), (890, 20361), (979, 18510), (1234, 14685), (1335, 13574), (1851, 9790), (1958, 9255), (2670, 6787), (2937, 6170), (3085, 5874), (3702, 4895)]