18878616

素因数分解:

$2^3\times 3^3\times {\mathrm{71}}^1\times {\mathrm{1231}}^1$

素因数の和:1317

約数の個数: 64

約数和(自身を含む): 53222400

約数和(自身を除く): 34343784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 108, 142, 213, 216, 284, 426, 568, 639, 852, 1231, 1278, 1704, 1917, 2462, 2556, 3693, 3834, 4924, 5112, 7386, 7668, 9848, 11079, 14772, 15336, 22158, 29544, 33237, 44316, 66474, 87401, 88632, 132948, 174802, 262203, 265896, 349604, 524406, 699208, 786609, 1048812, 1573218, 2097624, 2359827, 3146436, 4719654, 6292872, 9439308, 18878616]

約数ペア:

[(1, 18878616), (2, 9439308), (3, 6292872), (4, 4719654), (6, 3146436), (8, 2359827), (9, 2097624), (12, 1573218), (18, 1048812), (24, 786609), (27, 699208), (36, 524406), (54, 349604), (71, 265896), (72, 262203), (108, 174802), (142, 132948), (213, 88632), (216, 87401), (284, 66474), (426, 44316), (568, 33237), (639, 29544), (852, 22158), (1231, 15336), (1278, 14772), (1704, 11079), (1917, 9848), (2462, 7668), (2556, 7386), (3693, 5112), (3834, 4924)]