18358740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3517}}^1$

素因数の和:3561

約数の個数: 72

約数和(自身を含む): 57624840

約数和(自身を除く): 39266100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 3517, 5220, 7034, 10551, 14068, 17585, 21102, 31653, 35170, 42204, 52755, 63306, 70340, 101993, 105510, 126612, 158265, 203986, 211020, 305979, 316530, 407972, 509965, 611958, 633060, 917937, 1019930, 1223916, 1529895, 1835874, 2039860, 3059790, 3671748, 4589685, 6119580, 9179370, 18358740]

約数ペア:

[(1, 18358740), (2, 9179370), (3, 6119580), (4, 4589685), (5, 3671748), (6, 3059790), (9, 2039860), (10, 1835874), (12, 1529895), (15, 1223916), (18, 1019930), (20, 917937), (29, 633060), (30, 611958), (36, 509965), (45, 407972), (58, 316530), (60, 305979), (87, 211020), (90, 203986), (116, 158265), (145, 126612), (174, 105510), (180, 101993), (261, 70340), (290, 63306), (348, 52755), (435, 42204), (522, 35170), (580, 31653), (870, 21102), (1044, 17585), (1305, 14068), (1740, 10551), (2610, 7034), (3517, 5220)]