18901836

素因数分解:

$2^2\times 3^4\times {\mathrm{227}}^1\times {\mathrm{257}}^1$

素因数の和:500

約数の個数: 60

約数和(自身を含む): 49823928

約数和(自身を除く): 30922092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 227, 257, 324, 454, 514, 681, 771, 908, 1028, 1362, 1542, 2043, 2313, 2724, 3084, 4086, 4626, 6129, 6939, 8172, 9252, 12258, 13878, 18387, 20817, 24516, 27756, 36774, 41634, 58339, 73548, 83268, 116678, 175017, 233356, 350034, 525051, 700068, 1050102, 1575153, 2100204, 3150306, 4725459, 6300612, 9450918, 18901836]

約数ペア:

[(1, 18901836), (2, 9450918), (3, 6300612), (4, 4725459), (6, 3150306), (9, 2100204), (12, 1575153), (18, 1050102), (27, 700068), (36, 525051), (54, 350034), (81, 233356), (108, 175017), (162, 116678), (227, 83268), (257, 73548), (324, 58339), (454, 41634), (514, 36774), (681, 27756), (771, 24516), (908, 20817), (1028, 18387), (1362, 13878), (1542, 12258), (2043, 9252), (2313, 8172), (2724, 6939), (3084, 6129), (4086, 4626)]