19113620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{281}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 42638400

約数和(自身を除く): 23524780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 179, 190, 281, 358, 380, 562, 716, 895, 1124, 1405, 1790, 2810, 3401, 3580, 5339, 5620, 6802, 10678, 13604, 17005, 21356, 26695, 34010, 50299, 53390, 68020, 100598, 106780, 201196, 251495, 502990, 955681, 1005980, 1911362, 3822724, 4778405, 9556810, 19113620]

約数ペア:

[(1, 19113620), (2, 9556810), (4, 4778405), (5, 3822724), (10, 1911362), (19, 1005980), (20, 955681), (38, 502990), (76, 251495), (95, 201196), (179, 106780), (190, 100598), (281, 68020), (358, 53390), (380, 50299), (562, 34010), (716, 26695), (895, 21356), (1124, 17005), (1405, 13604), (1790, 10678), (2810, 6802), (3401, 5620), (3580, 5339)]