17996572

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{103}}^1$

素因数の和:167

約数の個数: 54

約数和(自身を含む): 36889944

約数和(自身を除く): 18893372

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 103, 121, 206, 209, 242, 361, 412, 418, 484, 722, 836, 1133, 1444, 1957, 2266, 2299, 3914, 3971, 4532, 4598, 7828, 7942, 9196, 12463, 15884, 21527, 24926, 37183, 43054, 43681, 49852, 74366, 86108, 87362, 148732, 174724, 236797, 409013, 473594, 818026, 947188, 1636052, 4499143, 8998286, 17996572]

約数ペア:

[(1, 17996572), (2, 8998286), (4, 4499143), (11, 1636052), (19, 947188), (22, 818026), (38, 473594), (44, 409013), (76, 236797), (103, 174724), (121, 148732), (206, 87362), (209, 86108), (242, 74366), (361, 49852), (412, 43681), (418, 43054), (484, 37183), (722, 24926), (836, 21527), (1133, 15884), (1444, 12463), (1957, 9196), (2266, 7942), (2299, 7828), (3914, 4598), (3971, 4532)]