18049080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{21487}}^1$

素因数の和:21508

約数の個数: 64

約数和(自身を含む): 61885440

約数和(自身を除く): 43836360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 21487, 42974, 64461, 85948, 107435, 128922, 150409, 171896, 214870, 257844, 300818, 322305, 429740, 451227, 515688, 601636, 644610, 752045, 859480, 902454, 1203272, 1289220, 1504090, 1804908, 2256135, 2578440, 3008180, 3609816, 4512270, 6016360, 9024540, 18049080]

約数ペア:

[(1, 18049080), (2, 9024540), (3, 6016360), (4, 4512270), (5, 3609816), (6, 3008180), (7, 2578440), (8, 2256135), (10, 1804908), (12, 1504090), (14, 1289220), (15, 1203272), (20, 902454), (21, 859480), (24, 752045), (28, 644610), (30, 601636), (35, 515688), (40, 451227), (42, 429740), (56, 322305), (60, 300818), (70, 257844), (84, 214870), (105, 171896), (120, 150409), (140, 128922), (168, 107435), (210, 85948), (280, 64461), (420, 42974), (840, 21487)]