18911394

素因数分解:

$2^1\times 3^4\times {\mathrm{107}}^1\times {\mathrm{1091}}^1$

素因数の和:1212

約数の個数: 40

約数和(自身を含む): 42810768

約数和(自身を除く): 23899374

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 107, 162, 214, 321, 642, 963, 1091, 1926, 2182, 2889, 3273, 5778, 6546, 8667, 9819, 17334, 19638, 29457, 58914, 88371, 116737, 176742, 233474, 350211, 700422, 1050633, 2101266, 3151899, 6303798, 9455697, 18911394]

約数ペア:

[(1, 18911394), (2, 9455697), (3, 6303798), (6, 3151899), (9, 2101266), (18, 1050633), (27, 700422), (54, 350211), (81, 233474), (107, 176742), (162, 116737), (214, 88371), (321, 58914), (642, 29457), (963, 19638), (1091, 17334), (1926, 9819), (2182, 8667), (2889, 6546), (3273, 5778)]